Base | Representation |
---|---|
bin | 1001001010101110111… |
… | …0110001001011001000 |
3 | 120001112110000022101020 |
4 | 2102223232301023020 |
5 | 10040024444033012 |
6 | 200204323152440 |
7 | 14243665540332 |
oct | 2225356611310 |
9 | 501473008336 |
10 | 157499986632 |
11 | 6088270010a |
12 | 26636515720 |
13 | 11b10334381 |
14 | 78a189c452 |
15 | 416c25ca8c |
hex | 24abbb12c8 |
157499986632 has 64 divisors (see below), whose sum is σ = 419215305600. Its totient is φ = 49138744320.
The previous prime is 157499986607. The next prime is 157499986663. The reversal of 157499986632 is 236689994751.
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, 992532 + ... + 1140227.
It is an arithmetic number, because the mean of its divisors is an integer number (6550239150).
Almost surely, 2157499986632 is an apocalyptic number.
157499986632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
157499986632 is an abundant number, since it is smaller than the sum of its proper divisors (261715318968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157499986632 is a wasteful number, since it uses less digits than its factorization.
157499986632 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2132966 (or 2132962 counting only the distinct ones).
The product of its digits is 176359680, while the sum is 69.
The spelling of 157499986632 in words is "one hundred fifty-seven billion, four hundred ninety-nine million, nine hundred eighty-six thousand, six hundred thirty-two".
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