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52495309225749 = 3131346033569891
BaseRepresentation
bin10111110111110100001000…
…10000100011111100010101
320212212111120100200210202210
423323322010100203330111
523340040343130210444
6303352002342024033
714025442462034055
oct1373720420437425
9225774510623683
1052495309225749
11157aa154565235
125a79b38a18019
13233a395354640
14cd6b02311565
156107cba4b7b9
hex2fbe84423f15

52495309225749 has 8 divisors (see below), whose sum is σ = 75377879913952. Its totient is φ = 32304805677360.

The previous prime is 52495309225729. The next prime is 52495309225813. The reversal of 52495309225749 is 94752290359425.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52495309225749 - 221 = 52495307128597 is a prime.

It is a super-2 number, since 2×524953092257492 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52495309225749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52495309225729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 673016784907 + ... + 673016784984.

It is an arithmetic number, because the mean of its divisors is an integer number (9422234989244).

Almost surely, 252495309225749 is an apocalyptic number.

It is an amenable number.

52495309225749 is a deficient number, since it is larger than the sum of its proper divisors (22882570688203).

52495309225749 is a wasteful number, since it uses less digits than its factorization.

52495309225749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346033569907.

The product of its (nonzero) digits is 244944000, while the sum is 66.

The spelling of 52495309225749 in words is "fifty-two trillion, four hundred ninety-five billion, three hundred nine million, two hundred twenty-five thousand, seven hundred forty-nine".

Divisors: 1 3 13 39 1346033569891 4038100709673 17498436408583 52495309225749