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80164524833 = 412157303749
BaseRepresentation
bin100101010101000101…
…1011001001100100001
321122220210200210122022
41022222023121030201
52303134104243313
6100454351551225
75535360134561
oct1125213311441
9248823623568
1080164524833
1130aa786a018
1213652b2b515
13773724aca3
143c46964da1
152142b6bc08
hex12aa2d9321

80164524833 has 12 divisors (see below), whose sum is σ = 82691077500. Its totient is φ = 77710888320.

The previous prime is 80164524773. The next prime is 80164524857. The reversal of 80164524833 is 33842546108.

It can be written as a sum of positive squares in 6 ways, for example, as 13771726609 + 66392798224 = 117353^2 + 257668^2 .

It is not a de Polignac number, because 80164524833 - 210 = 80164523809 is a prime.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80164524893) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112043 + ... + 415791.

It is an arithmetic number, because the mean of its divisors is an integer number (6890923125).

Almost surely, 280164524833 is an apocalyptic number.

It is an amenable number.

80164524833 is a deficient number, since it is larger than the sum of its proper divisors (2526552667).

80164524833 is a wasteful number, since it uses less digits than its factorization.

80164524833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303988 (or 303947 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 80164524833 in words is "eighty billion, one hundred sixty-four million, five hundred twenty-four thousand, eight hundred thirty-three".

Divisors: 1 41 157 1681 6437 263917 303749 12453709 47688593 510602069 1955232313 80164524833