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12479818084 = 2211328198257
BaseRepresentation
bin10111001111101101…
…01110100101100100
31012012201222110000121
423213312232211210
5201024313134314
65422205451324
7621155463166
oct134766564544
935181873017
1012479818084
115324594048
122503570b44
13123b6a1756
1486563c936
154d094dd24
hex2e7dae964

12479818084 has 24 divisors (see below), whose sum is σ = 22111587288. Its totient is φ = 6162616320.

The previous prime is 12479818081. The next prime is 12479818093. The reversal of 12479818084 is 48081897421.

It can be written as a sum of positive squares in 4 ways, for example, as 5161984 + 12474656100 = 2272^2 + 111690^2 .

It is not an unprimeable number, because it can be changed into a prime (12479818081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77884 + ... + 176140.

It is an arithmetic number, because the mean of its divisors is an integer number (921316137).

Almost surely, 212479818084 is an apocalyptic number.

It is an amenable number.

12479818084 is a deficient number, since it is larger than the sum of its proper divisors (9631769204).

12479818084 is a wasteful number, since it uses less digits than its factorization.

12479818084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98655 (or 98653 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 52.

The spelling of 12479818084 in words is "twelve billion, four hundred seventy-nine million, eight hundred eighteen thousand, eighty-four".

Divisors: 1 2 4 113 226 281 452 562 1124 31753 63506 98257 127012 196514 393028 11103041 22206082 27610217 44412164 55220434 110440868 3119954521 6239909042 12479818084