Base | Representation |
---|---|
bin | 11101000111000001… |
… | …001101010100010111 |
3 | 2222200022012000222110 |
4 | 131013001031110113 |
5 | 1003003101120403 |
6 | 22205310202103 |
7 | 2154362624622 |
oct | 350701152427 |
9 | 88608160873 |
10 | 31256270103 |
11 | 1228a393393 |
12 | 60837b3333 |
13 | 2c4172b8a6 |
14 | 1727224db9 |
15 | c2e07c103 |
hex | 74704d517 |
31256270103 has 8 divisors (see below), whose sum is σ = 41738850288. Its totient is φ = 20805601664.
The previous prime is 31256270083. The next prime is 31256270107. The reversal of 31256270103 is 30107265213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 31256270103 - 212 = 31256266007 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31256270107) 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 7 ways as a sum of consecutive naturals, for example, 7975650 + ... + 7979567.
It is an arithmetic number, because the mean of its divisors is an integer number (5217356286).
Almost surely, 231256270103 is an apocalyptic number.
31256270103 is a deficient number, since it is larger than the sum of its proper divisors (10482580185).
31256270103 is a wasteful number, since it uses less digits than its factorization.
31256270103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15955873.
The product of its (nonzero) digits is 7560, while the sum is 30.
The spelling of 31256270103 in words is "thirty-one billion, two hundred fifty-six million, two hundred seventy thousand, one hundred three".
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