Base | Representation |
---|---|
bin | 1001001001010111000… |
… | …0001011000011110111 |
3 | 120000120202011212010012 |
4 | 2102111300023003313 |
5 | 10033301100143210 |
6 | 200103552050435 |
7 | 14231600432144 |
oct | 2222560130367 |
9 | 500522155105 |
10 | 157131256055 |
11 | 607035523a4 |
12 | 26552b33a1b |
13 | 11a81b207b7 |
14 | 78689173cb |
15 | 4149bc4305 |
hex | 2495c0b0f7 |
157131256055 has 8 divisors (see below), whose sum is σ = 188565536544. Its totient is φ = 125699652000.
The previous prime is 157131256013. The next prime is 157131256063. The reversal of 157131256055 is 550652131751.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 157131256055 - 26 = 157131255991 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 537596 + ... + 776705.
It is an arithmetic number, because the mean of its divisors is an integer number (23570692068).
Almost surely, 2157131256055 is an apocalyptic number.
157131256055 is a deficient number, since it is larger than the sum of its proper divisors (31434280489).
157131256055 is a wasteful number, since it uses less digits than its factorization.
157131256055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1338217.
The product of its (nonzero) digits is 157500, while the sum is 41.
The spelling of 157131256055 in words is "one hundred fifty-seven billion, one hundred thirty-one million, two hundred fifty-six thousand, fifty-five".
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