Base | Representation |
---|---|
bin | 100101100110001011… |
… | …1000001101000110000 |
3 | 21201101202210022212101 |
4 | 1023030113001220300 |
5 | 2310322411440113 |
6 | 101031315310144 |
7 | 5555522446243 |
oct | 1131427015060 |
9 | 251352708771 |
10 | 80737999408 |
11 | 3127154aa50 |
12 | 13792bab354 |
13 | 77c8cba261 |
14 | 3c9cba525a |
15 | 217819a2dd |
hex | 12cc5c1a30 |
80737999408 has 40 divisors (see below), whose sum is σ = 171096477696. Its totient is φ = 36603240000.
The previous prime is 80737999339. The next prime is 80737999451. The reversal of 80737999408 is 80499973708.
It is a self number, because there is not a number n which added to its sum of digits gives 80737999408.
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, 531468 + ... + 666283.
Almost surely, 280737999408 is an apocalyptic number.
80737999408 is a gapful number since it is divisible by the number (88) formed by its first and last digit.
It is an amenable number.
80737999408 is an abundant number, since it is smaller than the sum of its proper divisors (90358478288).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80737999408 is a wasteful number, since it uses less digits than its factorization.
80737999408 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1198153 (or 1198147 counting only the distinct ones).
The product of its (nonzero) digits is 27433728, while the sum is 64.
The spelling of 80737999408 in words is "eighty billion, seven hundred thirty-seven million, nine hundred ninety-nine thousand, four hundred eight".
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