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13125415302001 = 62212109856181
BaseRepresentation
bin1011111011111111111110…
…1101110111001101110001
31201110202222202111222120201
42332333333231313031301
53210021322304131001
643525422121435201
72523165012154312
oct276777755671561
951422882458521
1013125415302001
114200503839412
12157b96303bb01
1374294ba6c8a2
143353b8658609
1517b64ec7b501
hexbefffb77371

13125415302001 has 4 divisors (see below), whose sum is σ = 13127525164404. Its totient is φ = 13123305439600.

The previous prime is 13125415301989. The next prime is 13125415302007. The reversal of 13125415302001 is 10020351452131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 7288596067600 + 5836819234401 = 2699740^2 + 2415951^2 .

It is a cyclic number.

It is not a de Polignac number, because 13125415302001 - 215 = 13125415269233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13125415302007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1054921870 + ... + 1054934311.

It is an arithmetic number, because the mean of its divisors is an integer number (3281881291101).

Almost surely, 213125415302001 is an apocalyptic number.

It is an amenable number.

13125415302001 is a deficient number, since it is larger than the sum of its proper divisors (2109862403).

13125415302001 is an equidigital number, since it uses as much as digits as its factorization.

13125415302001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109862402.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 13125415302001 its reverse (10020351452131), we get a palindrome (23145766754132).

The spelling of 13125415302001 in words is "thirteen trillion, one hundred twenty-five billion, four hundred fifteen million, three hundred two thousand, one".

Divisors: 1 6221 2109856181 13125415302001