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523313630632 = 231329173512477
BaseRepresentation
bin1111001110101111110…
…11000100110110101000
31212000202121220212011201
413213113323010312220
532033221242140012
61040223523133544
752544125316062
oct7472773046650
91760677825151
10523313630632
11191a329a1231
12855088142b4
133a46b19aca0
141b485632732
15d92c745857
hex79d7ec4da8

523313630632 has 32 divisors (see below), whose sum is σ = 1093128611400. Its totient is φ = 233200767744.

The previous prime is 523313630561. The next prime is 523313630687. The reversal of 523313630632 is 236036313325.

It can be written as a sum of positive squares in 4 ways, for example, as 499642577316 + 23671053316 = 706854^2 + 153854^2 .

It is a junction number, because it is equal to n+sod(n) for n = 523313630591 and 523313630600.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 86753223 + ... + 86759254.

Almost surely, 2523313630632 is an apocalyptic number.

523313630632 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

523313630632 is an abundant number, since it is smaller than the sum of its proper divisors (569814980768).

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

523313630632 is a wasteful number, since it uses less digits than its factorization.

523313630632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173512525 (or 173512521 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 37.

Adding to 523313630632 its reverse (236036313325), we get a palindrome (759349943957).

The spelling of 523313630632 in words is "five hundred twenty-three billion, three hundred thirteen million, six hundred thirty thousand, six hundred thirty-two".

Divisors: 1 2 4 8 13 26 29 52 58 104 116 232 377 754 1508 3016 173512477 347024954 694049908 1388099816 2255662201 4511324402 5031861833 9022648804 10063723666 18045297608 20127447332 40254894664 65414203829 130828407658 261656815316 523313630632