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80256300005 = 573496570307
BaseRepresentation
bin100101010111110100…
…1011111001111100101
321200011012101110111202
41022233221133033211
52303331103100010
6100511431012245
75540553202640
oct1125751371745
9250135343452
1080256300005
1131044653072
121367980a085
137750271c1b
143c54c14a57
15214ac496a5
hex12afa5f3e5

80256300005 has 16 divisors (see below), whose sum is σ = 110381174400. Its totient is φ = 54875195712.

The previous prime is 80256299987. The next prime is 80256300023. The reversal of 80256300005 is 50000365208.

It is an interprime number because it is at equal distance from previous prime (80256299987) and next prime (80256300023).

It is a cyclic number.

It is not a de Polignac number, because 80256300005 - 212 = 80256295909 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3272939 + ... + 3297368.

It is an arithmetic number, because the mean of its divisors is an integer number (6898823400).

Almost surely, 280256300005 is an apocalyptic number.

It is an amenable number.

80256300005 is a deficient number, since it is larger than the sum of its proper divisors (30124874395).

80256300005 is a wasteful number, since it uses less digits than its factorization.

80256300005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6570668.

The product of its (nonzero) digits is 7200, while the sum is 29.

The spelling of 80256300005 in words is "eighty billion, two hundred fifty-six million, three hundred thousand, five".

Divisors: 1 5 7 35 349 1745 2443 12215 6570307 32851535 45992149 229960745 2293037143 11465185715 16051260001 80256300005