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26364055172 = 2271372428723
BaseRepresentation
bin11000100011011010…
…111000111010000100
32112001100121202201212
4120203122320322010
5412443144231142
620040025110552
71622216525420
oct304332707204
975040552655
1026364055172
11101a9904954
125139328458
13264200b160
1413c15bdb80
15a44816d82
hex6236b8e84

26364055172 has 24 divisors (see below), whose sum is σ = 56784119616. Its totient is φ = 10429735968.

The previous prime is 26364055051. The next prime is 26364055253. The reversal of 26364055172 is 27155046362.

It is a super-2 number, since 2×263640551722 (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36213998 + ... + 36214725.

It is an arithmetic number, because the mean of its divisors is an integer number (2366004984).

Almost surely, 226364055172 is an apocalyptic number.

It is an amenable number.

26364055172 is an abundant number, since it is smaller than the sum of its proper divisors (30420064444).

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

26364055172 is a wasteful number, since it uses less digits than its factorization.

26364055172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72428747 (or 72428745 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 26364055172 in words is "twenty-six billion, three hundred sixty-four million, fifty-five thousand, one hundred seventy-two".

Divisors: 1 2 4 7 13 14 26 28 52 91 182 364 72428723 144857446 289714892 507001061 941573399 1014002122 1883146798 2028004244 3766293596 6591013793 13182027586 26364055172