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52500554831 = 1792231315243
BaseRepresentation
bin110000111001010001…
…101110010001001111
312000111212001111222202
4300321101232101033
51330010120223311
640041325032115
73536004232034
oct607121562117
9160455044882
1052500554831
11202a121599a
12a2123b563b
134c48b3487a
14278088738b
15157417ee3b
hexc3946e44f

52500554831 has 8 divisors (see below), whose sum is σ = 53030638080. Its totient is φ = 51973102872.

The previous prime is 52500554819. The next prime is 52500554921. The reversal of 52500554831 is 13845500525.

52500554831 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 52500554831 - 230 = 51426813007 is a prime.

It is a super-3 number, since 3×525005548313 (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52500554531) 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, 617705 + ... + 697538.

It is an arithmetic number, because the mean of its divisors is an integer number (6628829760).

Almost surely, 252500554831 is an apocalyptic number.

52500554831 is a deficient number, since it is larger than the sum of its proper divisors (530083249).

52500554831 is a wasteful number, since it uses less digits than its factorization.

52500554831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315645.

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 52500554831 in words is "fifty-two billion, five hundred million, five hundred fifty-four thousand, eight hundred thirty-one".

Divisors: 1 179 223 39917 1315243 235428497 293299189 52500554831