Base | Representation |
---|---|
bin | 10010101110111… |
… | …10111001000111 |
3 | 101221201002100200 |
4 | 21113132321013 |
5 | 310212311131 |
6 | 23332141543 |
7 | 3615521400 |
oct | 1127367107 |
9 | 357632320 |
10 | 157150791 |
11 | 80786796 |
12 | 447678b3 |
13 | 26733945 |
14 | 16c2a9a7 |
15 | dbe32e6 |
hex | 95dee47 |
157150791 has 18 divisors (see below), whose sum is σ = 264056832. Its totient is φ = 89800200.
The previous prime is 157150757. The next prime is 157150801. The reversal of 157150791 is 197051751.
It is not a de Polignac number, because 157150791 - 211 = 157148743 is a prime.
It is a super-2 number, since 2×1571507912 = 49392742223851362, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (157150891) 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 17 ways as a sum of consecutive naturals, for example, 177735 + ... + 178616.
It is an arithmetic number, because the mean of its divisors is an integer number (14669824).
Almost surely, 2157150791 is an apocalyptic number.
157150791 is a deficient number, since it is larger than the sum of its proper divisors (106906041).
157150791 is a wasteful number, since it uses less digits than its factorization.
157150791 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 356371 (or 356361 counting only the distinct ones).
The product of its (nonzero) digits is 11025, while the sum is 36.
The square root of 157150791 is about 12535.9798579928. The cubic root of 157150791 is about 539.6417273708.
The spelling of 157150791 in words is "one hundred fifty-seven million, one hundred fifty thousand, seven hundred ninety-one".
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