Search a number
-
+
251031383130152 = 2383378059311943
BaseRepresentation
bin111001000100111111001100…
…011010110100000000101000
31012220211100212201002221110002
4321010333030122310000220
5230400344233040131102
62245522120402442132
7103606263456015152
oct7104771432640050
91186740781087402
10251031383130152
1172a938a2447529
12241a3692363348
13aa0c208a65791
1445dbdab67dad2
151e04d80700902
hexe44fcc6b4028

251031383130152 has 16 divisors (see below), whose sum is σ = 476354733049440. Its totient is φ = 124003454316976.

The previous prime is 251031383130061. The next prime is 251031383130191.

251031383130152 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189029655308 + ... + 189029656635.

It is an arithmetic number, because the mean of its divisors is an integer number (29772170815590).

Almost surely, 2251031383130152 is an apocalyptic number.

It is an amenable number.

251031383130152 is a deficient number, since it is larger than the sum of its proper divisors (225323349919288).

251031383130152 is a wasteful number, since it uses less digits than its factorization.

251031383130152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378059312032 (or 378059312028 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The spelling of 251031383130152 in words is "two hundred fifty-one trillion, thirty-one billion, three hundred eighty-three million, one hundred thirty thousand, one hundred fifty-two".

Divisors: 1 2 4 8 83 166 332 664 378059311943 756118623886 1512237247772 3024474495544 31378922891269 62757845782538 125515691565076 251031383130152