Base | Representation |
---|---|
bin | 100101010000101000… |
… | …1000111101001101000 |
3 | 21122112101101201111112 |
4 | 1022201101013221220 |
5 | 2302332321442023 |
6 | 100431451445452 |
7 | 5531563353302 |
oct | 1124121075150 |
9 | 248471351445 |
10 | 80015030888 |
11 | 30a30443001 |
12 | 13610a56888 |
13 | 7712298530 |
14 | 3c30b6c972 |
15 | 213498c478 |
hex | 12a1447a68 |
80015030888 has 32 divisors (see below), whose sum is σ = 161793676800. Its totient is φ = 36878616768.
The previous prime is 80015030881. The next prime is 80015030933. The reversal of 80015030888 is 88803051008.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (80015030881) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 460256 + ... + 609807.
It is an arithmetic number, because the mean of its divisors is an integer number (5056052400).
Almost surely, 280015030888 is an apocalyptic number.
It is an amenable number.
80015030888 is an abundant number, since it is smaller than the sum of its proper divisors (81778645912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
80015030888 is a wasteful number, since it uses less digits than its factorization.
80015030888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1070801 (or 1070797 counting only the distinct ones).
The product of its (nonzero) digits is 61440, while the sum is 41.
The spelling of 80015030888 in words is "eighty billion, fifteen million, thirty thousand, eight hundred eighty-eight".
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