Base | Representation |
---|---|
bin | 10010101110101… |
… | …10100111101011 |
3 | 101221122100212201 |
4 | 21113112213223 |
5 | 310210220112 |
6 | 23331321031 |
7 | 3615320533 |
oct | 1127264753 |
9 | 357570781 |
10 | 157116907 |
11 | 80763292 |
12 | 44750177 |
13 | 267213ac |
14 | 16c1c4c3 |
15 | dbd8257 |
hex | 95d69eb |
157116907 has 16 divisors (see below), whose sum is σ = 170560512. Its totient is φ = 144184320.
The previous prime is 157116901. The next prime is 157116919. The reversal of 157116907 is 709611751.
It is a cyclic number.
It is not a de Polignac number, because 157116907 - 23 = 157116899 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (157116901) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131103 + ... + 132295.
It is an arithmetic number, because the mean of its divisors is an integer number (10660032).
Almost surely, 2157116907 is an apocalyptic number.
157116907 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
157116907 is a deficient number, since it is larger than the sum of its proper divisors (13443605).
157116907 is a wasteful number, since it uses less digits than its factorization.
157116907 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1398.
The product of its (nonzero) digits is 13230, while the sum is 37.
The square root of 157116907 is about 12534.6283151915. The cubic root of 157116907 is about 539.6029397102.
The spelling of 157116907 in words is "one hundred fifty-seven million, one hundred sixteen thousand, nine hundred seven".
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