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85968617952 = 2537131976561
BaseRepresentation
bin101000000010000100…
…0010000000111100000
322012220022010021121010
41100010020100013200
52402030431233302
6103254325500520
76132245124060
oct1200410200740
9265808107533
1085968617952
1133506053098
12147b2871740
138150863809
1442377393a0
1523824a816c
hex14042101e0

85968617952 has 96 divisors (see below), whose sum is σ = 259874866944. Its totient is φ = 24374937600.

The previous prime is 85968617951. The next prime is 85968617963. The reversal of 85968617952 is 25971686958.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85968617951) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 400249 + ... + 576312.

It is an arithmetic number, because the mean of its divisors is an integer number (2707029864).

Almost surely, 285968617952 is an apocalyptic number.

It is an amenable number.

85968617952 is an abundant number, since it is smaller than the sum of its proper divisors (173906248992).

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

85968617952 is a wasteful number, since it uses less digits than its factorization.

85968617952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 976712 (or 976704 counting only the distinct ones).

The product of its digits is 65318400, while the sum is 66.

The spelling of 85968617952 in words is "eighty-five billion, nine hundred sixty-eight million, six hundred seventeen thousand, nine hundred fifty-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 131 168 224 262 336 393 524 672 786 917 1048 1572 1834 2096 2751 3144 3668 4192 5502 6288 7336 11004 12576 14672 22008 29344 44016 88032 976561 1953122 2929683 3906244 5859366 6835927 7812488 11718732 13671854 15624976 20507781 23437464 27343708 31249952 41015562 46874928 54687416 82031124 93749856 109374832 127929491 164062248 218749664 255858982 328124496 383788473 511717964 656248992 767576946 895506437 1023435928 1535153892 1791012874 2046871856 2686519311 3070307784 3582025748 4093743712 5373038622 6140615568 7164051496 10746077244 12281231136 14328102992 21492154488 28656205984 42984308976 85968617952