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80030925715 = 51319231269409
BaseRepresentation
bin100101010001000110…
…1110000001110010011
321122120111022021002211
41022202031300032103
52302400404110330
6100433220252551
75532145434016
oct1124215601623
9248514267084
1080030925715
1130a3940a024
1213616241157
137715672260
143c32d0937d
15213607bd2a
hex12a2370393

80030925715 has 96 divisors (see below), whose sum is σ = 113370969600. Its totient is φ = 53849733120.

The previous prime is 80030925643. The next prime is 80030925731. The reversal of 80030925715 is 51752903008.

It is not a de Polignac number, because 80030925715 - 213 = 80030917523 is a prime.

It is a super-2 number, since 2×800309257152 (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 195674431 + ... + 195674839.

It is an arithmetic number, because the mean of its divisors is an integer number (1180947600).

Almost surely, 280030925715 is an apocalyptic number.

80030925715 is a deficient number, since it is larger than the sum of its proper divisors (33340043885).

80030925715 is a wasteful number, since it uses less digits than its factorization.

80030925715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765 (or 746 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 40.

The spelling of 80030925715 in words is "eighty billion, thirty million, nine hundred twenty-five thousand, seven hundred fifteen".

Divisors: 1 5 13 19 31 65 95 155 247 269 361 403 409 589 1235 1345 1805 2015 2045 2945 3497 4693 5111 5317 7657 7771 8339 11191 12679 17485 23465 25555 26585 38285 38855 41695 55955 63395 66443 97109 101023 108407 110021 145483 147649 158441 164827 240901 332215 485545 505115 542035 550105 727415 738245 792205 824135 1204505 1262417 1430273 1919437 2059733 2090399 3010379 3131713 3410651 4577119 6312085 7151365 9597185 10298665 10451995 15051895 15658565 17053255 22885595 27175187 39134927 39717581 44338463 59502547 64802369 135875935 195674635 198587905 221692315 297512735 324011845 516328553 842430797 1231245011 2581642765 4212153985 6156225055 16006185143 80030925715