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13250000125 = 53106000001
BaseRepresentation
bin11000101011100001…
…01111010011111101
31021012102012202011101
430111300233103331
5204114000001000
610030441253101
7646230066655
oct142560572375
937172182141
1013250000125
11568a30922a
122699494191
13133211447b
148d9a45365
15528385e6a
hex315c2f4fd

13250000125 has 8 divisors (see below), whose sum is σ = 16536000312. Its totient is φ = 10600000000.

The previous prime is 13250000119. The next prime is 13250000147. The reversal of 13250000125 is 52100005231.

It can be written as a sum of positive squares in 4 ways, for example, as 20629764 + 13229370361 = 4542^2 + 115019^2 .

It is not a de Polignac number, because 13250000125 - 221 = 13247902973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52999876 + ... + 53000125.

It is an arithmetic number, because the mean of its divisors is an integer number (2067000039).

Almost surely, 213250000125 is an apocalyptic number.

It is an amenable number.

13250000125 is a deficient number, since it is larger than the sum of its proper divisors (3286000187).

13250000125 is an equidigital number, since it uses as much as digits as its factorization.

13250000125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106000016 (or 106000006 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

Adding to 13250000125 its reverse (52100005231), we get a palindrome (65350005356).

The spelling of 13250000125 in words is "thirteen billion, two hundred fifty million, one hundred twenty-five", and thus it is an aban number.

Divisors: 1 5 25 125 106000001 530000005 2650000025 13250000125