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13902324768 = 2532471636301
BaseRepresentation
bin11001111001010010…
…01010010000100000
31022212212200021100100
430330221022100200
5211432443343033
610215303022400
71001340545043
oct147451122040
938785607310
1013902324768
115994555402
12283ba3aa00
131407300597
1495c52cc5a
1556578c513
hex33ca4a420

13902324768 has 144 divisors (see below), whose sum is σ = 40630052736. Its totient is φ = 4506969600.

The previous prime is 13902324767. The next prime is 13902324773. The reversal of 13902324768 is 86742320931.

It is a tau number, because it is divible by the number of its divisors (144).

It is not an unprimeable number, because it can be changed into a prime (13902324763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2203218 + ... + 2209518.

It is an arithmetic number, because the mean of its divisors is an integer number (282153144).

Almost surely, 213902324768 is an apocalyptic number.

13902324768 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13902324768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20315026368).

13902324768 is an abundant number, since it is smaller than the sum of its proper divisors (26727727968).

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

13902324768 is a wasteful number, since it uses less digits than its factorization.

13902324768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6527 (or 6516 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 13902324768 in words is "thirteen billion, nine hundred two million, three hundred twenty-four thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 47 48 72 94 96 141 144 163 188 282 288 326 376 423 489 564 652 752 846 978 1128 1304 1467 1504 1692 1956 2256 2608 2934 3384 3912 4512 5216 5868 6301 6768 7661 7824 11736 12602 13536 15322 15648 18903 22983 23472 25204 30644 37806 45966 46944 50408 56709 61288 68949 75612 91932 100816 113418 122576 137898 151224 183864 201632 226836 245152 275796 296147 302448 367728 453672 551592 592294 604896 735456 888441 907344 1027063 1103184 1184588 1776882 1814688 2054126 2206368 2369176 2665323 3081189 3553764 4108252 4738352 5330646 6162378 7107528 8216504 9243567 9476704 10661292 12324756 14215056 16433008 18487134 21322584 24649512 28430112 32866016 36974268 42645168 48271961 49299024 73948536 85290336 96543922 98598048 144815883 147897072 193087844 289631766 295794144 386175688 434447649 579263532 772351376 868895298 1158527064 1544702752 1737790596 2317054128 3475581192 4634108256 6951162384 13902324768