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80268056901 = 3213676524267
BaseRepresentation
bin100101011000001011…
…0010101100101000101
321200012000111202221100
41022300112111211011
52303342110310101
6100512531010313
75541055140414
oct1126026254505
9250160452840
1080268056901
113105025320a
1213681739999
13775282a376
143c565d547b
15214bcbce86
hex12b0595945

80268056901 has 12 divisors (see below), whose sum is σ = 116027582112. Its totient is φ = 53472884136.

The previous prime is 80268056893. The next prime is 80268056927. The reversal of 80268056901 is 10965086208.

80268056901 is a `hidden beast` number, since 8 + 0 + 2 + 6 + 80 + 569 + 0 + 1 = 666.

It is not a de Polignac number, because 80268056901 - 23 = 80268056893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80268056951) 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, 3249831 + ... + 3274436.

It is an arithmetic number, because the mean of its divisors is an integer number (9668965176).

Almost surely, 280268056901 is an apocalyptic number.

It is an amenable number.

80268056901 is a deficient number, since it is larger than the sum of its proper divisors (35759525211).

80268056901 is a wasteful number, since it uses less digits than its factorization.

80268056901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6525640 (or 6525637 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 45.

The spelling of 80268056901 in words is "eighty billion, two hundred sixty-eight million, fifty-six thousand, nine hundred one".

Divisors: 1 3 9 1367 4101 12303 6524267 19572801 58718403 8918672989 26756018967 80268056901