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2540127423140 = 225326581388897
BaseRepresentation
bin100100111101101011011…
…001001000101010100100
322222211111211212212101122
4210331223121020222210
5313104140110020030
65222530214113112
7351342503564306
oct44755331105244
98884454785348
102540127423140
1189a2977891aa
1235036364b798
131556c0c8a2b8
148ad2b16d976
154611b8b78e5
hex24f6b648aa4

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".

Divisors: 1 2 4 5 10 20 326581 388897 653162 777794 1306324 1555588 1632905 1944485 3265810 3888970 6531620 7777940 127006371157 254012742314 508025484628 635031855785 1270063711570 2540127423140