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80231052473 = 11135923340813
BaseRepresentation
bin100101010111000100…
…1001011010010111001
321200002102212202101222
41022232021023102321
52303303122134343
6100505125521425
75540125456655
oct1125611132271
9250072782358
1080231052473
1131031379240
1213671273275
137747c72160
143c51721a65
15214890da68
hex12ae24b4b9

80231052473 has 32 divisors (see below), whose sum is σ = 96268798080. Its totient is φ = 65899952640.

The previous prime is 80231052469. The next prime is 80231052481. The reversal of 80231052473 is 37425013208.

It is a cyclic number.

It is not a de Polignac number, because 80231052473 - 22 = 80231052469 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80231052403) 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, 1945415 + ... + 1986227.

It is an arithmetic number, because the mean of its divisors is an integer number (3008399940).

Almost surely, 280231052473 is an apocalyptic number.

It is an amenable number.

80231052473 is a deficient number, since it is larger than the sum of its proper divisors (16037745607).

80231052473 is a wasteful number, since it uses less digits than its factorization.

80231052473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41129.

The product of its (nonzero) digits is 40320, while the sum is 35.

The spelling of 80231052473 in words is "eighty billion, two hundred thirty-one million, fifty-two thousand, four hundred seventy-three".

Divisors: 1 11 13 59 143 233 649 767 2563 3029 8437 13747 33319 40813 151217 178711 448943 530569 1965821 2407967 5836259 9509429 26487637 31303571 104603719 123622577 344339281 561056311 1359848347 6171619421 7293732043 80231052473