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13193142500 = 22545277257
BaseRepresentation
bin11000100100101111…
…10110000011100100
31021001110020002011102
430102113312003210
5204004421030000
610021050455232
7644636601206
oct142227660344
937043202142
1013193142500
11566020425a
122682434518
1313233c78c5
148d2284776
155233a43d5
hex3125f60e4

13193142500 has 30 divisors (see below), whose sum is σ = 28850769486. Its totient is φ = 5277256000.

The previous prime is 13193142497. The next prime is 13193142511. The reversal of 13193142500 is 524139131.

It can be written as a sum of positive squares in 5 ways, for example, as 7336607716 + 5856534784 = 85654^2 + 76528^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2636129 + ... + 2641128.

Almost surely, 213193142500 is an apocalyptic number.

13193142500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13193142500 is an abundant number, since it is smaller than the sum of its proper divisors (15657626986).

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

13193142500 is an equidigital number, since it uses as much as digits as its factorization.

13193142500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5277281 (or 5277264 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 29.

The spelling of 13193142500 in words is "thirteen billion, one hundred ninety-three million, one hundred forty-two thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 625 1250 2500 5277257 10554514 21109028 26386285 52772570 105545140 131931425 263862850 527725700 659657125 1319314250 2638628500 3298285625 6596571250 13193142500