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52125611490 = 2325579173461
BaseRepresentation
bin110000100010111011…
…011011010111100010
311222112201112102102100
4300202323123113202
51323223124031430
635540212431230
73523502246541
oct604273332742
9158481472370
1052125611490
1120119604467
12a128918516
134bb92571c4
142746b66158
1515512ba960
hexc22edb5e2

52125611490 has 24 divisors (see below), whose sum is σ = 135526590108. Its totient is φ = 13900163040.

The previous prime is 52125611449. The next prime is 52125611501. The reversal of 52125611490 is 9411652125.

52125611490 is a `hidden beast` number, since 5 + 2 + 1 + 2 + 561 + 1 + 4 + 90 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 44609241681 + 7516369809 = 211209^2 + 86697^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 289586641 + ... + 289586820.

Almost surely, 252125611490 is an apocalyptic number.

52125611490 is an abundant number, since it is smaller than the sum of its proper divisors (83400978618).

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

52125611490 is a wasteful number, since it uses less digits than its factorization.

52125611490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579173474 (or 579173471 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The spelling of 52125611490 in words is "fifty-two billion, one hundred twenty-five million, six hundred eleven thousand, four hundred ninety".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 579173461 1158346922 1737520383 2895867305 3475040766 5212561149 5791734610 8687601915 10425122298 17375203830 26062805745 52125611490