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13407987325 = 52536319493
BaseRepresentation
bin11000111110010110…
…11010011001111101
31021121102111022212011
430133023122121331
5204424421043300
610054243411221
7653156004025
oct143713323175
937542438764
1013407987325
115760506367
122722383b11
131358a7ba15
14912a0ca85
15537191eba
hex31f2da67d

13407987325 has 6 divisors (see below), whose sum is σ = 16625904314. Its totient is φ = 10726389840.

The previous prime is 13407987293. The next prime is 13407987353. The reversal of 13407987325 is 52378970431.

It can be written as a sum of positive squares in 3 ways, for example, as 2220482884 + 11187504441 = 47122^2 + 105771^2 .

It is not a de Polignac number, because 13407987325 - 25 = 13407987293 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 5 ways as a sum of consecutive naturals, for example, 268159722 + ... + 268159771.

Almost surely, 213407987325 is an apocalyptic number.

It is an amenable number.

13407987325 is a deficient number, since it is larger than the sum of its proper divisors (3217916989).

13407987325 is an equidigital number, since it uses as much as digits as its factorization.

13407987325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536319503 (or 536319498 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 49.

The spelling of 13407987325 in words is "thirteen billion, four hundred seven million, nine hundred eighty-seven thousand, three hundred twenty-five".

Divisors: 1 5 25 536319493 2681597465 13407987325