Base | Representation |
---|---|
bin | 1101101010101111111101… |
… | …01100001101100101011101 |
3 | 10221102100012102002100000220 |
4 | 12311113332230031211131 |
5 | 12414420003222013312 |
6 | 143531335305111553 |
7 | 6221325433443351 |
oct | 665277654154535 |
9 | 127370172070026 |
10 | 30056159172957 |
11 | 9638822321995 |
12 | 3455102a885b9 |
13 | 13a038c238bc8 |
14 | 75ca23ac1461 |
15 | 371c6a248c8c |
hex | 1b55feb0d95d |
30056159172957 has 16 divisors (see below), whose sum is σ = 41929375602048. Its totient is φ = 19114862374080.
The previous prime is 30056159172829. The next prime is 30056159172961. The reversal of 30056159172957 is 75927195165003.
It is a happy number.
It is not a de Polignac number, because 30056159172957 - 27 = 30056159172829 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 30056159172957.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30056159171957) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 583883794 + ... + 583935267.
It is an arithmetic number, because the mean of its divisors is an integer number (2620585975128).
Almost surely, 230056159172957 is an apocalyptic number.
It is an amenable number.
30056159172957 is a deficient number, since it is larger than the sum of its proper divisors (11873216429091).
30056159172957 is a wasteful number, since it uses less digits than its factorization.
30056159172957 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1167819460.
The product of its (nonzero) digits is 17860500, while the sum is 60.
The spelling of 30056159172957 in words is "thirty trillion, fifty-six billion, one hundred fifty-nine million, one hundred seventy-two thousand, nine hundred fifty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •