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2538910269990 = 232531910003681
BaseRepresentation
bin100100111100100010110…
…110000100001000100110
322222201101000121002011100
4210330202312010020212
5313044142012114430
65222205334220530
7351300364134663
oct44744266041046
98881330532140
102538910269990
11899822727006
12350083ab4746
13155558a6b433
148ac53656a6a
1546099ade960
hex24f22d84226

2538910269990 has 48 divisors (see below), whose sum is σ = 6814107570816. Its totient is φ = 655202649600.

The previous prime is 2538910269949. The next prime is 2538910270007. The reversal of 2538910269990 is 999620198352.

2538910269990 is a `hidden beast` number, since 2 + 5 + 389 + 102 + 69 + 9 + 90 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 454999051 + ... + 455004630.

It is an arithmetic number, because the mean of its divisors is an integer number (141960574392).

Almost surely, 22538910269990 is an apocalyptic number.

2538910269990 is an abundant number, since it is smaller than the sum of its proper divisors (4275197300826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2538910269990 is a wasteful number, since it uses less digits than its factorization.

2538910269990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910003725 (or 910003722 counting only the distinct ones).

The product of its (nonzero) digits is 18895680, while the sum is 63.

The spelling of 2538910269990 in words is "two trillion, five hundred thirty-eight billion, nine hundred ten million, two hundred sixty-nine thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 31 45 62 90 93 155 186 279 310 465 558 930 1395 2790 910003681 1820007362 2730011043 4550018405 5460022086 8190033129 9100036810 13650055215 16380066258 27300110430 28210114111 40950165645 56420228222 81900331290 84630342333 141050570555 169260684666 253891026999 282101141110 423151711665 507782053998 846303423330 1269455134995 2538910269990