Search a number
-
+
79252086080645 = 5296131152777351
BaseRepresentation
bin10010000001010001010000…
…011100000100010010000101
3101101121102111010212022221022
4102001101100130010102011
540341431233014040040
6440315523345400525
722456526400522662
oct2201212034042205
9341542433768838
1079252086080645
1123285691549795
128a7b703339145
13352b593bab90a
14157db70024a69
159267de2046b5
hex481450704485

79252086080645 has 32 divisors (see below), whose sum is σ = 98552215365120. Its totient is φ = 61109450438400.

The previous prime is 79252086080641. The next prime is 79252086080663. The reversal of 79252086080645 is 54608068025297.

It is a happy number.

It is not a de Polignac number, because 79252086080645 - 22 = 79252086080641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79252086080641) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1024538720 + ... + 1024616070.

It is an arithmetic number, because the mean of its divisors is an integer number (3079756730160).

Almost surely, 279252086080645 is an apocalyptic number.

It is an amenable number.

79252086080645 is a deficient number, since it is larger than the sum of its proper divisors (19300129284475).

79252086080645 is a wasteful number, since it uses less digits than its factorization.

79252086080645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89525.

The product of its (nonzero) digits is 58060800, while the sum is 62.

The spelling of 79252086080645 in words is "seventy-nine trillion, two hundred fifty-two billion, eighty-six million, eighty thousand, six hundred forty-five".

Divisors: 1 5 29 145 613 3065 11527 17777 57635 77351 88885 334283 386755 1671415 2243179 7066051 11215895 35330255 47416163 204915479 237080815 891624977 1024577395 1375068727 4458124885 6875343635 25857124333 129285621665 546566110901 2732830554505 15850417216129 79252086080645