Base | Representation |
---|---|
bin | 100001100101110111… |
… | …0011000011100001000 |
3 | 20220012101021010121111 |
4 | 1003023232120130020 |
5 | 2140214134112222 |
6 | 53050043020104 |
7 | 5132426604412 |
oct | 1031356303410 |
9 | 226171233544 |
10 | 72137410312 |
11 | 28658762080 |
12 | 11b9280a634 |
13 | 6a58203396 |
14 | 36c483d9b2 |
15 | 1d230b7777 |
hex | 10cbb98708 |
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".
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