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13992259718438 = 2557112911125223
BaseRepresentation
bin1100101110011101001110…
…1010111000110100100110
31211112122110122012220120122
43023213103222320310212
53313222121441442223
645431542210001542
72642623145140031
oct313472352706446
954478418186518
1013992259718438
1145050a1919581
12169b9635762b2
137a6606476ba1
1436532c490018
15193e866065c8
hexcb9d3ab8d26

13992259718438 has 16 divisors (see below), whose sum is σ = 21044696222880. Its totient is φ = 6977383231296.

The previous prime is 13992259718419. The next prime is 13992259718449. The reversal of 13992259718438 is 83481795229931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4304906 + ... + 6820317.

It is an arithmetic number, because the mean of its divisors is an integer number (1315293513930).

Almost surely, 213992259718438 is an apocalyptic number.

13992259718438 is a deficient number, since it is larger than the sum of its proper divisors (7052436504442).

13992259718438 is a wasteful number, since it uses less digits than its factorization.

13992259718438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11126911.

The product of its digits is 235146240, while the sum is 71.

The spelling of 13992259718438 in words is "thirteen trillion, nine hundred ninety-two billion, two hundred fifty-nine million, seven hundred eighteen thousand, four hundred thirty-eight".

Divisors: 1 2 557 1114 1129 2258 628853 1257706 11125223 22250446 6196749211 12393498422 12560376767 25120753534 6996129859219 13992259718438