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80805557758075 = 5213723592863579
BaseRepresentation
bin10010010111111000000010…
…100100001110100001111011
3101121002221021020220010102021
4102113320002210032201323
541042404240241224300
6443505321043015311
723010003023102563
oct2227700244164173
9347087236803367
1080805557758075
1123824498837827
1290907a996a537
133611c15395c27
1415d501d0c9da3
15951e10b08d1a
hex497e0290e87b

80805557758075 has 12 divisors (see below), whose sum is σ = 100930270395240. Its totient is φ = 64172588932160.

The previous prime is 80805557758063. The next prime is 80805557758117. The reversal of 80805557758075 is 57085775550808.

It is a happy number.

It is not a de Polignac number, because 80805557758075 - 213 = 80805557749883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80805557757995 and 80805557758013.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11796428365 + ... + 11796435214.

It is an arithmetic number, because the mean of its divisors is an integer number (8410855866270).

Almost surely, 280805557758075 is an apocalyptic number.

80805557758075 is a deficient number, since it is larger than the sum of its proper divisors (20124712637165).

80805557758075 is a wasteful number, since it uses less digits than its factorization.

80805557758075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23592863726 (or 23592863721 counting only the distinct ones).

The product of its (nonzero) digits is 548800000, while the sum is 70.

The spelling of 80805557758075 in words is "eighty trillion, eight hundred five billion, five hundred fifty-seven million, seven hundred fifty-eight thousand, seventy-five".

Divisors: 1 5 25 137 685 3425 23592863579 117964317895 589821589475 3232222310323 16161111551615 80805557758075