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13325139992 = 231665642499
BaseRepresentation
bin11000110100011110…
…11000000000011000
31021101122121020200102
430122033120000120
5204242213434432
610042123554532
7651131551433
oct143217300030
937348536612
1013325139992
11571876a99a
1226ba68ba48
131344862628
14905a0481a
1552ec79962
hex31a3d8018

13325139992 has 8 divisors (see below), whose sum is σ = 24984637500. Its totient is φ = 6662569992.

The previous prime is 13325139991. The next prime is 13325140007. The reversal of 13325139992 is 29993152331.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13325139991) by changing a digit.

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 as a sum of consecutive naturals, namely, 832821242 + ... + 832821257.

Almost surely, 213325139992 is an apocalyptic number.

It is an amenable number.

13325139992 is a deficient number, since it is larger than the sum of its proper divisors (11659497508).

13325139992 is a wasteful number, since it uses less digits than its factorization.

13325139992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665642505 (or 1665642501 counting only the distinct ones).

The product of its digits is 393660, while the sum is 47.

The spelling of 13325139992 in words is "thirteen billion, three hundred twenty-five million, one hundred thirty-nine thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 1665642499 3331284998 6662569996 13325139992