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313250254340 = 22515662512717
BaseRepresentation
bin1001000111011110010…
…10111000111000000100
31002221112221121200121212
410203233022320320010
520113014031114330
6355523304030552
731426430141432
oct4435712707004
91087487550555
10313250254340
11110937669521
1250862a62458
13237020019aa
1411238c11d52
158235a95295
hex48ef2b8e04

313250254340 has 12 divisors (see below), whose sum is σ = 657825534156. Its totient is φ = 125300101728.

The previous prime is 313250254307. The next prime is 313250254349. The reversal of 313250254340 is 43452052313.

It can be written as a sum of positive squares in 2 ways, for example, as 194616851716 + 118633402624 = 441154^2 + 344432^2 .

It is a junction number, because it is equal to n+sod(n) for n = 313250254297 and 313250254306.

It is not an unprimeable number, because it can be changed into a prime (313250254349) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7831256339 + ... + 7831256378.

It is an arithmetic number, because the mean of its divisors is an integer number (54818794513).

Almost surely, 2313250254340 is an apocalyptic number.

It is an amenable number.

313250254340 is an abundant number, since it is smaller than the sum of its proper divisors (344575279816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313250254340 is a wasteful number, since it uses less digits than its factorization.

313250254340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15662512726 (or 15662512724 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 32.

The spelling of 313250254340 in words is "three hundred thirteen billion, two hundred fifty million, two hundred fifty-four thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 15662512717 31325025434 62650050868 78312563585 156625127170 313250254340