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631349882253 = 3281118648747
BaseRepresentation
bin10010010111111110110…
…00101010110110001101
32020100121212012002012100
421023333120222312031
540321001032213003
61202012123025313
763420303311436
oct11137730526615
92210555162170
10631349882253
112238326050a2
12a243996b239
13476c78a41ac
14227b3ab648d
151165223bba3
hex92ff62ad8d

631349882253 has 12 divisors (see below), whose sum is σ = 912062369088. Its totient is φ = 420847980360.

The previous prime is 631349882231. The next prime is 631349882291. The reversal of 631349882253 is 352288943136.

631349882253 is a `hidden beast` number, since 63 + 13 + 498 + 82 + 2 + 5 + 3 = 666.

It is not a de Polignac number, because 631349882253 - 28 = 631349881997 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 631349882253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631349882203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4251375 + ... + 4397372.

It is an arithmetic number, because the mean of its divisors is an integer number (76005197424).

Almost surely, 2631349882253 is an apocalyptic number.

It is an amenable number.

631349882253 is a deficient number, since it is larger than the sum of its proper divisors (280712486835).

631349882253 is a wasteful number, since it uses less digits than its factorization.

631349882253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8656864 (or 8656861 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The spelling of 631349882253 in words is "six hundred thirty-one billion, three hundred forty-nine million, eight hundred eighty-two thousand, two hundred fifty-three".

Divisors: 1 3 9 8111 24333 72999 8648747 25946241 77838723 70149986917 210449960751 631349882253