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14681378972 = 2213837394603
BaseRepresentation
bin11011010110001010…
…00001000010011100
31101220011121022210202
431223011001002130
5220031413111342
610424452523032
71026550443101
oct155305010234
941804538722
1014681378972
11625428a357
122a18920478
1314cc82b6c0
149d3ba4aa8
155add78332
hex36b14109c

14681378972 has 48 divisors (see below), whose sum is σ = 28046094720. Its totient is φ = 6683871168.

The previous prime is 14681378969. The next prime is 14681378981. The reversal of 14681378972 is 27987318641.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3187223 + ... + 3191825.

It is an arithmetic number, because the mean of its divisors is an integer number (584293640).

Almost surely, 214681378972 is an apocalyptic number.

It is an amenable number.

14681378972 is a deficient number, since it is larger than the sum of its proper divisors (13364715748).

14681378972 is a wasteful number, since it uses less digits than its factorization.

14681378972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5442 (or 5440 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 56.

The spelling of 14681378972 in words is "fourteen billion, six hundred eighty-one million, three hundred seventy-eight thousand, nine hundred seventy-two".

Divisors: 1 2 4 13 26 52 83 166 332 739 1079 1478 2158 2956 4316 4603 9206 9607 18412 19214 38428 59839 61337 119678 122674 239356 245348 382049 764098 797381 1528196 1594762 3189524 3401617 4966637 6803234 9933274 13606468 19866548 44221021 88442042 176884084 282334211 564668422 1129336844 3670344743 7340689486 14681378972