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318940412439 = 31137261212459
BaseRepresentation
bin1001010010000100101…
…01000111101000010111
31010111020111122200010010
410221002111013220113
520211142221144224
6402304051531303
732020432526565
oct4510225075027
91114214580103
10318940412439
11113297603520
12519905b9b33
13240cab3504c
1411618808a35
15846a3c7e29
hex4a42547a17

318940412439 has 16 divisors (see below), whose sum is σ = 476451527040. Its totient is φ = 188072969760.

The previous prime is 318940412389. The next prime is 318940412459. The reversal of 318940412439 is 934214049813.

It is not a de Polignac number, because 318940412439 - 29 = 318940411927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318940412459) 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 15 ways as a sum of consecutive naturals, for example, 130605009 + ... + 130607450.

It is an arithmetic number, because the mean of its divisors is an integer number (29778220440).

Almost surely, 2318940412439 is an apocalyptic number.

318940412439 is a deficient number, since it is larger than the sum of its proper divisors (157511114601).

318940412439 is a wasteful number, since it uses less digits than its factorization.

318940412439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261212510.

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 318940412439 in words is "three hundred eighteen billion, nine hundred forty million, four hundred twelve thousand, four hundred thirty-nine".

Divisors: 1 3 11 33 37 111 407 1221 261212459 783637377 2873337049 8620011147 9664860983 28994582949 106313470813 318940412439