Base | Representation |
---|---|
bin | 100101011001100100110… |
… | …011000100111000000000 |
3 | 100002200211101212101000202 |
4 | 211121210303010320000 |
5 | 314102011334211140 |
6 | 5244402411104332 |
7 | 353453005521536 |
oct | 45314463047000 |
9 | 10080741771022 |
10 | 2570081553920 |
11 | 900a69042a91 |
12 | 3561231420a8 |
13 | 1584859b223a |
14 | 8c56d478156 |
15 | 46cc1480915 |
hex | 25664cc4e00 |
2570081553920 has 80 divisors (see below), whose sum is σ = 6168052875600. Its totient is φ = 1027051536384.
The previous prime is 2570081553913. The next prime is 2570081553929. The reversal of 2570081553920 is 293551800752.
It is a tau number, because it is divible by the number of its divisors (80).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2570081553929) 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, 2206919 + ... + 3163961.
It is an arithmetic number, because the mean of its divisors is an integer number (77100660945).
Almost surely, 22570081553920 is an apocalyptic number.
2570081553920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2570081553920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3084026437800).
2570081553920 is an abundant number, since it is smaller than the sum of its proper divisors (3597971321680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2570081553920 is an equidigital number, since it uses as much as digits as its factorization.
2570081553920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 958115 (or 958099 counting only the distinct ones).
The product of its (nonzero) digits is 756000, while the sum is 47.
The spelling of 2570081553920 in words is "two trillion, five hundred seventy billion, eighty-one million, five hundred fifty-three thousand, nine hundred twenty".
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