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13047443025 = 352173965907
BaseRepresentation
bin11000010011011000…
…00010111001010001
31020200022001210001120
430021230002321101
5203210121134100
65554403552453
7641220302331
oct141154027121
936608053046
1013047443025
115595a3a071
12264168b729
1312cc1732b6
148bab990c1
155156c40a0
hex309b02e51

13047443025 has 12 divisors (see below), whose sum is σ = 21571772592. Its totient is φ = 6958636240.

The previous prime is 13047443011. The next prime is 13047443093. The reversal of 13047443025 is 52034474031.

It is not a de Polignac number, because 13047443025 - 222 = 13043248721 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 86982879 + ... + 86983028.

It is an arithmetic number, because the mean of its divisors is an integer number (1797647716).

Almost surely, 213047443025 is an apocalyptic number.

13047443025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13047443025 is a deficient number, since it is larger than the sum of its proper divisors (8524329567).

13047443025 is a wasteful number, since it uses less digits than its factorization.

13047443025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173965920 (or 173965915 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 33.

The spelling of 13047443025 in words is "thirteen billion, forty-seven million, four hundred forty-three thousand, twenty-five".

Divisors: 1 3 5 15 25 75 173965907 521897721 869829535 2609488605 4349147675 13047443025