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31003545414160 = 245111071699193799
BaseRepresentation
bin1110000110010100100110…
…10011111010101000010000
311001202220120101102212212201
413003022103103322220100
513030430230111223120
6145534455424132544
76346634520562534
oct703122323725020
9131686511385781
1031003545414160
1199735911420a0
123588840767154
13143b8110b5397
14792818613bc4
1538b71791d40a
hex1c32934faa10

31003545414160 has 160 divisors (see below), whose sum is σ = 79418309760000. Its totient is φ = 11162020615680.

The previous prime is 31003545414151. The next prime is 31003545414173. The reversal of 31003545414160 is 6141454530013.

It is a super-2 number, since 2×310035454141602 (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 159880941 + ... + 160074739.

It is an arithmetic number, because the mean of its divisors is an integer number (496364436000).

Almost surely, 231003545414160 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31003545414160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39709154880000).

31003545414160 is an abundant number, since it is smaller than the sum of its proper divisors (48414764345840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31003545414160 is a wasteful number, since it uses less digits than its factorization.

31003545414160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195629 (or 195623 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 37.

Adding to 31003545414160 its reverse (6141454530013), we get a palindrome (37144999944173).

The spelling of 31003545414160 in words is "thirty-one trillion, three billion, five hundred forty-five million, four hundred fourteen thousand, one hundred sixty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 107 110 176 214 220 428 440 535 856 880 1070 1177 1699 1712 2140 2354 3398 4280 4708 5885 6796 8495 8560 9416 11770 13592 16990 18689 18832 23540 27184 33980 37378 47080 67960 74756 93445 94160 135920 149512 181793 186890 193799 299024 363586 373780 387598 727172 747560 775196 908965 968995 1454344 1495120 1550392 1817930 1937990 1999723 2131789 2908688 3100784 3635860 3875980 3999446 4263578 7271720 7751960 7998892 8527156 9998615 10658945 14543440 15503920 15997784 17054312 19997230 20736493 21317890 31995568 34108624 39994460 41472986 42635780 79988920 82945972 85271560 103682465 159977840 165891944 170543120 207364930 228101423 329264501 331783888 414729860 456202846 658529002 829459720 912405692 1140507115 1317058004 1646322505 1658919440 1824811384 2281014230 2634116008 3292645010 3621909511 3649622768 4562028460 5268232016 6585290020 7243819022 9124056920 13170580040 14487638044 18109547555 18248113840 26341160080 28975276088 35231301607 36219095110 57950552176 70462603214 72438190220 140925206428 144876380440 176156508035 281850412856 289752760880 352313016070 387544317677 563700825712 704626032140 775088635354 1409252064280 1550177270708 1937721588385 2818504128560 3100354541416 3875443176770 6200709082832 7750886353540 15501772707080 31003545414160