Base | Representation |
---|---|
bin | 10000101000100100… |
… | …10110111011110000 |
3 | 212001100220210211211 |
4 | 20110102112323300 |
5 | 121242123311230 |
6 | 4034051045504 |
7 | 434205140050 |
oct | 102422267360 |
9 | 25040823754 |
10 | 8930291440 |
11 | 3872a0a154 |
12 | 18928a0894 |
13 | ac41b4325 |
14 | 60a06b560 |
15 | 37400c42a |
hex | 214496ef0 |
8930291440 has 80 divisors (see below), whose sum is σ = 23741784000. Its totient is φ = 3060172800.
The previous prime is 8930291431. The next prime is 8930291497. The reversal of 8930291440 is 441920398.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Harshad number since it is a multiple of its sum of digits (40).
It is a junction number, because it is equal to n+sod(n) for n = 8930291393 and 8930291402.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1536540 + ... + 1542340.
It is an arithmetic number, because the mean of its divisors is an integer number (296772300).
Almost surely, 28930291440 is an apocalyptic number.
8930291440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.
It is an amenable number.
8930291440 is an abundant number, since it is smaller than the sum of its proper divisors (14811492560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8930291440 is a wasteful number, since it uses less digits than its factorization.
8930291440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8570 (or 8564 counting only the distinct ones).
The product of its (nonzero) digits is 62208, while the sum is 40.
The square root of 8930291440 is about 94500.2192590049. The cubic root of 8930291440 is about 2074.6995405669.
The spelling of 8930291440 in words is "eight billion, nine hundred thirty million, two hundred ninety-one thousand, four hundred forty".
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