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231210033000 = 23353703910949
BaseRepresentation
bin1101011101010100110…
…0010001111101101000
3211002210102110122002120
43113111030101331220
512242004232024000
6254114425231240
722463412565602
oct3272514217550
9732712418076
10231210033000
118a068043a01
1238987932520
1318a592ac31b
14b29510c172
15603341b6a0
hex35d5311f68

231210033000 has 128 divisors (see below), whose sum is σ = 721543680000. Its totient is φ = 61641619200.

The previous prime is 231210032993. The next prime is 231210033029. The reversal of 231210033000 is 330012132.

231210033000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2312100330002 (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 21111526 + ... + 21122474.

It is an arithmetic number, because the mean of its divisors is an integer number (5637060000).

Almost surely, 2231210033000 is an apocalyptic number.

231210033000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231210033000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360771840000).

231210033000 is an abundant number, since it is smaller than the sum of its proper divisors (490333647000).

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

231210033000 is a wasteful number, since it uses less digits than its factorization.

231210033000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18012 (or 17998 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 231210033000 its reverse (330012132), we get a palindrome (231540045132).

The spelling of 231210033000 in words is "two hundred thirty-one billion, two hundred ten million, thirty-three thousand".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 100 120 125 150 200 250 300 375 500 600 750 1000 1500 3000 7039 10949 14078 21117 21898 28156 32847 35195 42234 43796 54745 56312 65694 70390 84468 87592 105585 109490 131388 140780 164235 168936 175975 211170 218980 262776 273725 281560 328470 351950 422340 437960 527925 547450 656940 703900 821175 844680 879875 1055850 1094900 1313880 1368625 1407800 1642350 1759750 2111700 2189800 2639625 2737250 3284700 3519500 4105875 4223400 5279250 5474500 6569400 7039000 8211750 10558500 10949000 16423500 21117000 32847000 77070011 154140022 231210033 308280044 385350055 462420066 616560088 770700110 924840132 1156050165 1541400220 1849680264 1926750275 2312100330 3082800440 3853500550 4624200660 5780250825 7707001100 9248401320 9633751375 11560501650 15414002200 19267502750 23121003300 28901254125 38535005500 46242006600 57802508250 77070011000 115605016500 231210033000