Base | Representation |
---|---|
bin | 11100111110001000… |
… | …110000101100001101 |
3 | 2222021220210021202112 |
4 | 130332020300230031 |
5 | 1002201424130203 |
6 | 22142424233405 |
7 | 2150603206460 |
oct | 347610605415 |
9 | 88256707675 |
10 | 31107255053 |
11 | 12213264156 |
12 | 604190b865 |
13 | 2c198b60c4 |
14 | 17115152d7 |
15 | c20e446d8 |
hex | 73e230b0d |
31107255053 has 4 divisors (see below), whose sum is σ = 35551148640. Its totient is φ = 26663361468.
The previous prime is 31107255001. The next prime is 31107255103. The reversal of 31107255053 is 35055270113.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 31107255053 - 26 = 31107254989 is a prime.
It is a super-2 number, since 2×311072550532 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (31107255953) 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 3 ways as a sum of consecutive naturals, for example, 2221946783 + ... + 2221946796.
It is an arithmetic number, because the mean of its divisors is an integer number (8887787160).
Almost surely, 231107255053 is an apocalyptic number.
It is an amenable number.
31107255053 is a deficient number, since it is larger than the sum of its proper divisors (4443893587).
31107255053 is an equidigital number, since it uses as much as digits as its factorization.
31107255053 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4443893586.
The product of its (nonzero) digits is 15750, while the sum is 32.
The spelling of 31107255053 in words is "thirty-one billion, one hundred seven million, two hundred fifty-five thousand, fifty-three".
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