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80126045967 = 3112239798939
BaseRepresentation
bin100101010011111100…
…0100110111100001111
321122211010021212120010
41022213320212330033
52303044231432332
6100450455124303
75534412103362
oct1124770467417
9248733255503
1080126045967
1130a88078300
1213642073693
13772c297926
143c417ca0d9
15213e5ba9cc
hex12a7e26f0f

80126045967 has 48 divisors (see below), whose sum is σ = 123800060160. Its totient is φ = 45970552320.

The previous prime is 80126045963. The next prime is 80126045969. The reversal of 80126045967 is 76954062108.

It is not a de Polignac number, because 80126045967 - 22 = 80126045963 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80126045963) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 760384 + ... + 859322.

It is an arithmetic number, because the mean of its divisors is an integer number (2579167920).

Almost surely, 280126045967 is an apocalyptic number.

80126045967 is a deficient number, since it is larger than the sum of its proper divisors (43674014193).

80126045967 is a wasteful number, since it uses less digits than its factorization.

80126045967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99084 (or 99073 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 80126045967 in words is "eighty billion, one hundred twenty-six million, forty-five thousand, nine hundred sixty-seven".

Divisors: 1 3 11 23 33 69 97 121 253 291 363 759 1067 2231 2783 3201 6693 8349 11737 24541 35211 73623 98939 269951 296817 809853 1088329 2275597 3264987 6826791 9597083 11971619 25031567 28791249 35914857 75094701 105567913 220732909 275347237 316703739 662198727 826041711 1161247043 2428061999 3483741129 7284185997 26708681989 80126045967