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2138025367205 = 57134698956851
BaseRepresentation
bin11111000111001100001…
…111100001011010100101
321120101121122220222202022
4133013030033201122211
5240012133443222310
64314110103352525
7310316155524320
oct37071417413245
97511548828668
102138025367205
117548056440a2
122a6444452745
131267cbcc13a0
14756a3b477b7
153a93569ca55
hex1f1cc3e16a5

2138025367205 has 16 divisors (see below), whose sum is σ = 3157699004544. Its totient is φ = 1353299572800.

The previous prime is 2138025367189. The next prime is 2138025367277. The reversal of 2138025367205 is 5027635208312.

It is a happy number.

It is not a de Polignac number, because 2138025367205 - 24 = 2138025367189 is a prime.

It is a Curzon number.

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, 2349477971 + ... + 2349478880.

It is an arithmetic number, because the mean of its divisors is an integer number (197356187784).

Almost surely, 22138025367205 is an apocalyptic number.

It is an amenable number.

2138025367205 is a deficient number, since it is larger than the sum of its proper divisors (1019673637339).

2138025367205 is a wasteful number, since it uses less digits than its factorization.

2138025367205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4698956876.

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 2138025367205 in words is "two trillion, one hundred thirty-eight billion, twenty-five million, three hundred sixty-seven thousand, two hundred five".

Divisors: 1 5 7 13 35 65 91 455 4698956851 23494784255 32892697957 61086439063 164463489785 305432195315 427605073441 2138025367205