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13245252100 = 2252132452521
BaseRepresentation
bin11000101010111101…
…01000001000000100
31021012002021112002121
430111132220020010
5204111241031400
610030151415324
7646141533223
oct142536501004
937162245077
1013245252100
115687665a43
122697984544
1313311412a2
148d916acba
15527c4921a
hex3157a8204

13245252100 has 18 divisors (see below), whose sum is σ = 28742197274. Its totient is φ = 5298100800.

The previous prime is 13245252079. The next prime is 13245252131. The reversal of 13245252100 is 125254231.

It can be written as a sum of positive squares in 3 ways, for example, as 4356 + 13245247744 = 66^2 + 115088^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

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 5 ways as a sum of consecutive naturals, for example, 66226161 + ... + 66226360.

Almost surely, 213245252100 is an apocalyptic number.

13245252100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13245252100 is an abundant number, since it is smaller than the sum of its proper divisors (15496945174).

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

13245252100 is a wasteful number, since it uses less digits than its factorization.

13245252100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132452535 (or 132452528 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 13245252100 in words is "thirteen billion, two hundred forty-five million, two hundred fifty-two thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 132452521 264905042 529810084 662262605 1324525210 2649050420 3311313025 6622626050 13245252100