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72137410312 = 23112341869293
BaseRepresentation
bin100001100101110111…
…0011000011100001000
320220012101021010121111
41003023232120130020
52140214134112222
653050043020104
75132426604412
oct1031356303410
9226171233544
1072137410312
1128658762080
1211b9280a634
136a58203396
1436c483d9b2
151d230b7777
hex10cbb98708

72137410312 has 64 divisors (see below), whose sum is σ = 157724703360. Its totient is φ = 30599078400.

The previous prime is 72137410259. The next prime is 72137410339. The reversal of 72137410312 is 21301473127.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 351663 + ... + 517630.

It is an arithmetic number, because the mean of its divisors is an integer number (2464448490).

Almost surely, 272137410312 is an apocalyptic number.

It is an amenable number.

72137410312 is an abundant number, since it is smaller than the sum of its proper divisors (85587293048).

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

72137410312 is a wasteful number, since it uses less digits than its factorization.

72137410312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 869374 (or 869370 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 31.

Adding to 72137410312 its reverse (21301473127), we get a palindrome (93438883439).

The spelling of 72137410312 in words is "seventy-two billion, one hundred thirty-seven million, four hundred ten thousand, three hundred twelve".

Divisors: 1 2 4 8 11 22 23 41 44 46 82 88 92 164 184 253 328 451 506 902 943 1012 1804 1886 2024 3608 3772 7544 10373 20746 41492 82984 869293 1738586 3477172 6954344 9562223 19124446 19993739 35641013 38248892 39987478 71282026 76497784 79974956 142564052 159949912 219931129 285128104 392051143 439862258 784102286 819743299 879724516 1568204572 1639486598 1759449032 3136409144 3278973196 6557946392 9017176289 18034352578 36068705156 72137410312