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80796454358 = 21272711173787
BaseRepresentation
bin100101100111111011…
…0000000110111010110
321201112211210010222112
41023033312000313112
52310432343014413
6101041204231022
75560132346654
oct1131766006726
9251484703875
1080796454358
11312a1546024
12137aa69b472
137808145b99
143ca685ddd4
15217d3952a8
hex12cfd80dd6

80796454358 has 16 divisors (see below), whose sum is σ = 122599809024. Its totient is φ = 39932199720.

The previous prime is 80796454313. The next prime is 80796454363. The reversal of 80796454358 is 85345469708.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 80796454297 and 80796454306.

It is a congruent number.

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, 518060 + ... + 655727.

It is an arithmetic number, because the mean of its divisors is an integer number (7662488064).

Almost surely, 280796454358 is an apocalyptic number.

80796454358 is a deficient number, since it is larger than the sum of its proper divisors (41803354666).

80796454358 is a wasteful number, since it uses less digits than its factorization.

80796454358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174187.

The product of its (nonzero) digits is 29030400, while the sum is 59.

The spelling of 80796454358 in words is "eighty billion, seven hundred ninety-six million, four hundred fifty-four thousand, three hundred fifty-eight".

Divisors: 1 2 127 254 271 542 34417 68834 1173787 2347574 149070949 298141898 318096277 636192554 40398227179 80796454358