Base | Representation |
---|---|
bin | 100100111101101011011… |
… | …001001000101010100100 |
3 | 22222211111211212212101122 |
4 | 210331223121020222210 |
5 | 313104140110020030 |
6 | 5222530214113112 |
7 | 351342503564306 |
oct | 44755331105244 |
9 | 8884454785348 |
10 | 2540127423140 |
11 | 89a2977891aa |
12 | 35036364b798 |
13 | 1556c0c8a2b8 |
14 | 8ad2b16d976 |
15 | 4611b8b78e5 |
hex | 24f6b648aa4 |
2540127423140 has 24 divisors (see below), whose sum is σ = 5334297638712. Its totient is φ = 1016045245440.
The previous prime is 2540127423103. The next prime is 2540127423173. The reversal of 2540127423140 is 413247210452.
It can be written as a sum of positive squares in 4 ways, for example, as 910864089664 + 1629263333476 = 954392^2 + 1276426^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 2540127423140.
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, 6337172 + ... + 6726068.
It is an arithmetic number, because the mean of its divisors is an integer number (222262401613).
Almost surely, 22540127423140 is an apocalyptic number.
2540127423140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2540127423140 is an abundant number, since it is smaller than the sum of its proper divisors (2794170215572).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2540127423140 is a wasteful number, since it uses less digits than its factorization.
2540127423140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 715487 (or 715485 counting only the distinct ones).
The product of its (nonzero) digits is 53760, while the sum is 35.
The spelling of 2540127423140 in words is "two trillion, five hundred forty billion, one hundred twenty-seven million, four hundred twenty-three thousand, one hundred forty".
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