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13713021896 = 2372914956671
BaseRepresentation
bin11001100010101110…
…00001101111001000
31022101200110200121212
430301113001233020
5211041013200041
610144421352252
7663551522450
oct146127015710
938350420555
1013713021896
1158a7709352
1227a8568688
1313a7020252
14941332d60
15553d478eb
hex3315c1bc8

13713021896 has 64 divisors (see below), whose sum is σ = 30602880000. Its totient is φ = 5636171520.

The previous prime is 13713021877. The next prime is 13713021929. The reversal of 13713021896 is 69812031731.

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, 213641 + ... + 270311.

It is an arithmetic number, because the mean of its divisors is an integer number (478170000).

Almost surely, 213713021896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13713021896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15301440000).

13713021896 is an abundant number, since it is smaller than the sum of its proper divisors (16889858104).

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

13713021896 is a wasteful number, since it uses less digits than its factorization.

13713021896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56862 (or 56858 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 41.

The spelling of 13713021896 in words is "thirteen billion, seven hundred thirteen million, twenty-one thousand, eight hundred ninety-six".

Divisors: 1 2 4 7 8 14 28 29 56 58 116 149 203 232 298 406 596 812 1043 1192 1624 2086 4172 4321 8344 8642 17284 30247 34568 56671 60494 113342 120988 226684 241976 396697 453368 793394 1586788 1643459 3173576 3286918 6573836 8443979 11504213 13147672 16887958 23008426 33775916 46016852 59107853 67551832 92033704 118215706 236431412 244875391 472862824 489750782 979501564 1714127737 1959003128 3428255474 6856510948 13713021896