Base | Representation |
---|---|
bin | 1001001000000111011… |
… | …1101100111001111100 |
3 | 112222201111111201011110 |
4 | 2102001313230321330 |
5 | 10032110201412442 |
6 | 200010514322020 |
7 | 14220410222646 |
oct | 2220167547174 |
9 | 488644451143 |
10 | 156797685372 |
11 | 60552229849 |
12 | 2647b289310 |
13 | 11a2a99a6b3 |
14 | 78364c5896 |
15 | 412a78369c |
hex | 2481dece7c |
156797685372 has 24 divisors (see below), whose sum is σ = 365867736192. Its totient is φ = 52264970800.
The previous prime is 156797685371. The next prime is 156797685409. The reversal of 156797685372 is 273586797651.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (156797685371) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1118347 + ... + 1250717.
It is an arithmetic number, because the mean of its divisors is an integer number (15244489008).
Almost surely, 2156797685372 is an apocalyptic number.
156797685372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
156797685372 is an abundant number, since it is smaller than the sum of its proper divisors (209070050820).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
156797685372 is a wasteful number, since it uses less digits than its factorization.
156797685372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 231089 (or 231087 counting only the distinct ones).
The product of its digits is 133358400, while the sum is 66.
The spelling of 156797685372 in words is "one hundred fifty-six billion, seven hundred ninety-seven million, six hundred eighty-five thousand, three hundred seventy-two".
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