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13840373568 = 263710297897
BaseRepresentation
bin11001110001111001…
…10101011101000000
31022201120002211021110
430320330311131000
5211321113423233
610205211123320
7666656143230
oct147074653500
938646084243
1013840373568
11596259156a
122823143540
1313c751c478
14954203cc0
15560101663
hex338f35740

13840373568 has 56 divisors (see below), whose sum is σ = 41850657472. Its totient is φ = 3954392064.

The previous prime is 13840373549. The next prime is 13840373581. The reversal of 13840373568 is 86537304831.

13840373568 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5147605 + ... + 5150292.

Almost surely, 213840373568 is an apocalyptic number.

It is an amenable number.

13840373568 is an abundant number, since it is smaller than the sum of its proper divisors (28010283904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13840373568 is a wasteful number, since it uses less digits than its factorization.

13840373568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10297919 (or 10297909 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 48.

The spelling of 13840373568 in words is "thirteen billion, eight hundred forty million, three hundred seventy-three thousand, five hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 168 192 224 336 448 672 1344 10297897 20595794 30893691 41191588 61787382 72085279 82383176 123574764 144170558 164766352 216255837 247149528 288341116 329532704 432511674 494299056 576682232 659065408 865023348 988598112 1153364464 1730046696 1977196224 2306728928 3460093392 4613457856 6920186784 13840373568