Base | Representation |
---|---|
bin | 11100101011111111… |
… | …001100010111011000 |
3 | 2221111200211012001211 |
4 | 130223333030113120 |
5 | 1001041001211310 |
6 | 22052305552504 |
7 | 2140215054334 |
oct | 345377142730 |
9 | 87450735054 |
10 | 30802757080 |
11 | 12077398337 |
12 | 5b77945734 |
13 | 2b9b7a1ba4 |
14 | 16c2cd07c4 |
15 | c04347c8a |
hex | 72bfcc5d8 |
30802757080 has 32 divisors (see below), whose sum is σ = 69511890240. Its totient is φ = 12284536320.
The previous prime is 30802757077. The next prime is 30802757129. The reversal of 30802757080 is 8075720803.
It is a Harshad number since it is a multiple of its sum of digits (40).
It is a congruent number.
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, 1129056 + ... + 1156015.
It is an arithmetic number, because the mean of its divisors is an integer number (2172246570).
Almost surely, 230802757080 is an apocalyptic number.
It is an amenable number.
30802757080 is an abundant number, since it is smaller than the sum of its proper divisors (38709133160).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30802757080 is a wasteful number, since it uses less digits than its factorization.
30802757080 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2285419 (or 2285415 counting only the distinct ones).
The product of its (nonzero) digits is 94080, while the sum is 40.
The spelling of 30802757080 in words is "thirty billion, eight hundred two million, seven hundred fifty-seven thousand, eighty".
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