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13425911808 = 21132395009
BaseRepresentation
bin11001000000011111…
…10010100000000000
31021122200012222121220
430200033302200000
5204444013134213
610100123515040
7653464240011
oct144017624000
937580188556
1013425911808
11576a639291
122728388a80
13135c6b651a
14915157008
15538a32e23
hex3203f2800

13425911808 has 96 divisors (see below), whose sum is σ = 37350331200. Its totient is φ = 4280680448.

The previous prime is 13425911753. The next prime is 13425911819. The reversal of 13425911808 is 80811952431.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 13425911808.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93808 + ... + 188816.

It is an arithmetic number, because the mean of its divisors is an integer number (389065950).

Almost surely, 213425911808 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 13425911808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18675165600).

13425911808 is an abundant number, since it is smaller than the sum of its proper divisors (23924419392).

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

13425911808 is an equidigital number, since it uses as much as digits as its factorization.

13425911808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95057 (or 95037 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 42.

The spelling of 13425911808 in words is "thirteen billion, four hundred twenty-five million, nine hundred eleven thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 12 16 23 24 32 46 48 64 69 92 96 128 138 184 192 256 276 368 384 512 552 736 768 1024 1104 1472 1536 2048 2208 2944 3072 4416 5888 6144 8832 11776 17664 23552 35328 47104 70656 95009 141312 190018 285027 380036 570054 760072 1140108 1520144 2185207 2280216 3040288 4370414 4560432 6080576 6555621 8740828 9120864 12161152 13111242 17481656 18241728 24322304 26222484 34963312 36483456 48644608 52444968 69926624 72966912 97289216 104889936 139853248 145933824 194578432 209779872 279706496 291867648 419559744 559412992 583735296 839119488 1118825984 1678238976 2237651968 3356477952 4475303936 6712955904 13425911808