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131120320100 = 225272112432659
BaseRepresentation
bin111101000011101100…
…0010100111001100100
3110112110000000101212212
41322013120110321210
54122013300220400
6140122535302552
712321166221500
oct1720730247144
9415400011785
10131120320100
1150676003210
12214b3b1aa58
13c49801b533
1464bc1b7300
1536263b0335
hex1e87614e64

131120320100 has 108 divisors (see below), whose sum is σ = 361074858480. Its totient is φ = 40868654400.

The previous prime is 131120320099. The next prime is 131120320147. The reversal of 131120320100 is 1023021131.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1162430 + ... + 1270229.

Almost surely, 2131120320100 is an apocalyptic number.

131120320100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131120320100 is an abundant number, since it is smaller than the sum of its proper divisors (229954538380).

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

131120320100 is a wasteful number, since it uses less digits than its factorization.

131120320100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2432698 (or 2432684 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 131120320100 its reverse (1023021131), we get a palindrome (132143341231).

The spelling of 131120320100 in words is "one hundred thirty-one billion, one hundred twenty million, three hundred twenty thousand, one hundred".

Divisors: 1 2 4 5 7 10 11 14 20 22 25 28 35 44 49 50 55 70 77 98 100 110 140 154 175 196 220 245 275 308 350 385 490 539 550 700 770 980 1078 1100 1225 1540 1925 2156 2450 2695 3850 4900 5390 7700 10780 13475 26950 53900 2432659 4865318 9730636 12163295 17028613 24326590 26759249 34057226 48653180 53518498 60816475 68114452 85143065 107036996 119200291 121632950 133796245 170286130 187314743 238400582 243265900 267592490 340572260 374629486 425715325 476801164 535184980 596001455 668981225 749258972 851430650 936573715 1192002910 1311203201 1337962450 1702861300 1873147430 2384005820 2622406402 2675924900 2980007275 3746294860 4682868575 5244812804 5960014550 6556016005 9365737150 11920029100 13112032010 18731474300 26224064020 32780080025 65560160050 131120320100