Base | Representation |
---|---|
bin | 101001100101001101101… |
… | …101111100110101100100 |
3 | 101010011121002201212212020 |
4 | 221211031231330311210 |
5 | 333304033012040030 |
6 | 10024410411223140 |
7 | 413305310651655 |
oct | 51451555746544 |
9 | 11104532655766 |
10 | 2857457143140 |
11 | a01928077646 |
12 | 3a1964747ab0 |
13 | 1795c31b47a2 |
14 | 9c431a9d52c |
15 | 4e4e067d510 |
hex | 2994db7cd64 |
2857457143140 has 48 divisors (see below), whose sum is σ = 8004274915392. Its totient is φ = 761665246336.
The previous prime is 2857457143067. The next prime is 2857457143153. The reversal of 2857457143140 is 413417547582.
It is a super-2 number, since 2×28574571431402 (a number of 26 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9961314 + ... + 10244153.
It is an arithmetic number, because the mean of its divisors is an integer number (166755727404).
Almost surely, 22857457143140 is an apocalyptic number.
2857457143140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2857457143140 is an abundant number, since it is smaller than the sum of its proper divisors (5146817772252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2857457143140 is a wasteful number, since it uses less digits than its factorization.
2857457143140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20207836 (or 20207834 counting only the distinct ones).
The product of its (nonzero) digits is 3763200, while the sum is 51.
The spelling of 2857457143140 in words is "two trillion, eight hundred fifty-seven billion, four hundred fifty-seven million, one hundred forty-three thousand, one hundred forty".
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