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2538738039279 = 3131918731829203
BaseRepresentation
bin100100111100011000100…
…101000011100111101111
322222200221000111212001010
4210330120211003213233
5313043313414224104
65222140302520303
7351263203165431
oct44743045034757
98880830455033
102538738039279
11899744490582
12350036296093
1315552c187980
148ac38822651
154608991d489
hex24f189439ef

2538738039279 has 32 divisors (see below), whose sum is σ = 3839279691520. Its totient is φ = 1479282974208.

The previous prime is 2538738039269. The next prime is 2538738039281. The reversal of 2538738039279 is 9729308378352.

It is not a de Polignac number, because 2538738039279 - 27 = 2538738039151 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2538738039239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 473292 + ... + 2302494.

It is an arithmetic number, because the mean of its divisors is an integer number (119977490360).

Almost surely, 22538738039279 is an apocalyptic number.

2538738039279 is a deficient number, since it is larger than the sum of its proper divisors (1300541652241).

2538738039279 is a wasteful number, since it uses less digits than its factorization.

2538738039279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831111.

The product of its (nonzero) digits is 137168640, while the sum is 66.

The spelling of 2538738039279 in words is "two trillion, five hundred thirty-eight billion, seven hundred thirty-eight million, thirty-nine thousand, two hundred seventy-nine".

Divisors: 1 3 13 19 39 57 247 741 1873 5619 24349 35587 73047 106761 462631 1387893 1829203 5487609 23779639 34754857 71338917 104264571 451813141 1355439423 3426097219 10278291657 44539263847 65095847161 133617791541 195287541483 846246013093 2538738039279