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13039052500 = 225429179849
BaseRepresentation
bin11000010010011000…
…00010011011010100
31020122201021111102101
430021030002123110
5203200444140000
65553504051444
7641056055215
oct141114023324
936581244371
1013039052500
115591229151
12263a903b84
1312ca4c61a6
148b9a1340c
15514ab7e6a
hex3093026d4

13039052500 has 60 divisors (see below), whose sum is σ = 29497198500. Its totient is φ = 5035744000.

The previous prime is 13039052489. The next prime is 13039052531. The reversal of 13039052500 is 525093031.

It can be written as a sum of positive squares in 10 ways, for example, as 11688636996 + 1350415504 = 108114^2 + 36748^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17425 + ... + 162424.

It is an arithmetic number, because the mean of its divisors is an integer number (491619975).

Almost surely, 213039052500 is an apocalyptic number.

13039052500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13039052500 is an abundant number, since it is smaller than the sum of its proper divisors (16458146000).

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

13039052500 is a wasteful number, since it uses less digits than its factorization.

13039052500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179902 (or 179885 counting only the distinct ones).

The product of its (nonzero) digits is 4050, while the sum is 28.

The spelling of 13039052500 in words is "thirteen billion, thirty-nine million, fifty-two thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 29 50 58 100 116 125 145 250 290 500 580 625 725 1250 1450 2500 2900 3625 7250 14500 18125 36250 72500 179849 359698 719396 899245 1798490 3596980 4496225 5215621 8992450 10431242 17984900 20862484 22481125 26078105 44962250 52156210 89924500 104312420 112405625 130390525 224811250 260781050 449622500 521562100 651952625 1303905250 2607810500 3259763125 6519526250 13039052500