Base | Representation |
---|---|
bin | 10010101110110… |
… | …01100101101100 |
3 | 101221122222120010 |
4 | 21113121211230 |
5 | 310211112233 |
6 | 23331453220 |
7 | 3615401145 |
oct | 1127314554 |
9 | 357588503 |
10 | 157129068 |
11 | 80771438 |
12 | 44757210 |
13 | 26726aa5 |
14 | 16c22acc |
15 | dbdbb63 |
hex | 95d996c |
157129068 has 12 divisors (see below), whose sum is σ = 366634520. Its totient is φ = 52376352.
The previous prime is 157129067. The next prime is 157129073. The reversal of 157129068 is 860921751.
It is a tau number, because it is divible by the number of its divisors (12).
It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (157129061) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6547033 + ... + 6547056.
Almost surely, 2157129068 is an apocalyptic number.
It is an amenable number.
157129068 is an abundant number, since it is smaller than the sum of its proper divisors (209505452).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
157129068 is a wasteful number, since it uses less digits than its factorization.
157129068 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13094096 (or 13094094 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 39.
The square root of 157129068 is about 12535.1134019601. The cubic root of 157129068 is about 539.6168612802.
The spelling of 157129068 in words is "one hundred fifty-seven million, one hundred twenty-nine thousand, sixty-eight".
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