Base | Representation |
---|---|
bin | 11100110111110101… |
… | …100010110010000111 |
3 | 2222000112220010020202 |
4 | 130313311202302013 |
5 | 1001442344212210 |
6 | 22124130521115 |
7 | 2145150601343 |
oct | 346765426207 |
9 | 88015803222 |
10 | 31001554055 |
11 | 1216962945a |
12 | 601243619b |
13 | 2c00a27734 |
14 | 170147c623 |
15 | c16a159a5 |
hex | 737d62c87 |
31001554055 has 16 divisors (see below), whose sum is σ = 37594183104. Its totient is φ = 24540979200.
The previous prime is 31001554033. The next prime is 31001554069. The reversal of 31001554055 is 55045510013.
It is not a de Polignac number, because 31001554055 - 210 = 31001553031 is a prime.
It is a super-2 number, since 2×310015540552 (a number of 22 digits) contains 22 as substring.
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 15 ways as a sum of consecutive naturals, for example, 114149 + ... + 273921.
It is an arithmetic number, because the mean of its divisors is an integer number (2349636444).
Almost surely, 231001554055 is an apocalyptic number.
31001554055 is a deficient number, since it is larger than the sum of its proper divisors (6592629049).
31001554055 is a wasteful number, since it uses less digits than its factorization.
31001554055 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 160186.
The product of its (nonzero) digits is 7500, while the sum is 29.
The spelling of 31001554055 in words is "thirty-one billion, one million, five hundred fifty-four thousand, fifty-five".
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