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13448570625 = 32547259827
BaseRepresentation
bin11001000011001100…
…01110011100000001
31021201020212011200100
430201212032130001
5210020313230000
610102253313013
7654160651500
oct144146163401
937636764610
1013448570625
115781405186
122733a95769
1313642babc9
14918174837
1553aa0ba00
hex32198e701

13448570625 has 180 divisors, whose sum is σ = 28750859280. Its totient is φ = 6036408000.

The previous prime is 13448570623. The next prime is 13448570689. The reversal of 13448570625 is 52607584431.

13448570625 is a `hidden beast` number, since 1 + 34 + 48 + 570 + 6 + 2 + 5 = 666.

It is not a de Polignac number, because 13448570625 - 21 = 13448570623 is a prime.

It is a super-2 number, since 2×134485706252 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (13448570623) by changing a digit.

It is a polite number, since it can be written in 179 ways as a sum of consecutive naturals, for example, 16261462 + ... + 16262288.

It is an arithmetic number, because the mean of its divisors is an integer number (159726996).

Almost surely, 213448570625 is an apocalyptic number.

13448570625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13448570625 is an abundant number, since it is smaller than the sum of its proper divisors (15302288655).

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

13448570625 is an equidigital number, since it uses as much as digits as its factorization.

13448570625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926 (or 901 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 13448570625 in words is "thirteen billion, four hundred forty-eight million, five hundred seventy thousand, six hundred twenty-five".