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318880112469 = 31074591216379
BaseRepresentation
bin1001010001111101011…
…11000101111101010101
31010111002022012010002220
410220332233011331111
520211031302044334
6402254055252553
732016101143122
oct4507657057525
91114068163086
10318880112469
11113266568236
125197437a159
13240bb4b16a9
14116107cd749
158464e66449
hex4a3ebc5f55

318880112469 has 16 divisors (see below), whose sum is σ = 429242526720. Its totient is φ = 210553104240.

The previous prime is 318880112459. The next prime is 318880112519. The reversal of 318880112469 is 964211088813.

It is not a de Polignac number, because 318880112469 - 236 = 250160635733 is a prime.

It is a super-2 number, since 2×3188801124692 (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318880112459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1365522 + ... + 1581900.

It is an arithmetic number, because the mean of its divisors is an integer number (26827657920).

Almost surely, 2318880112469 is an apocalyptic number.

It is an amenable number.

318880112469 is a deficient number, since it is larger than the sum of its proper divisors (110362414251).

318880112469 is a wasteful number, since it uses less digits than its factorization.

318880112469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221080.

The product of its (nonzero) digits is 663552, while the sum is 51.

The spelling of 318880112469 in words is "three hundred eighteen billion, eight hundred eighty million, one hundred twelve thousand, four hundred sixty-nine".

Divisors: 1 3 107 321 4591 13773 216379 491237 649137 1473711 23152553 69457659 993395989 2980187967 106293370823 318880112469