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13132515320 = 235541606863
BaseRepresentation
bin11000011101100001…
…00100011111111000
31020220020010220022022
430032300210133320
5203343410442240
610011043214012
7643302352451
oct141660443770
936806126268
1013132515320
115629a65151
122666077308
13131398b332
148c81c2128
1551cdca9b5
hex30ec247f8

13132515320 has 32 divisors (see below), whose sum is σ = 29602825920. Its totient is φ = 5243287680.

The previous prime is 13132515313. The next prime is 13132515343. The reversal of 13132515320 is 2351523131.

13132515320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13132515320.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281792 + ... + 325071.

It is an arithmetic number, because the mean of its divisors is an integer number (925088310).

Almost surely, 213132515320 is an apocalyptic number.

13132515320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13132515320 is an abundant number, since it is smaller than the sum of its proper divisors (16470310600).

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

13132515320 is a wasteful number, since it uses less digits than its factorization.

13132515320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607415 (or 607411 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 26.

The spelling of 13132515320 in words is "thirteen billion, one hundred thirty-two million, five hundred fifteen thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 541 1082 2164 2705 4328 5410 10820 21640 606863 1213726 2427452 3034315 4854904 6068630 12137260 24274520 328312883 656625766 1313251532 1641564415 2626503064 3283128830 6566257660 13132515320