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13885000297 = 721276913229
BaseRepresentation
bin11001110111001110…
…00100101001101001
31022211200002002122021
430323213010221221
5211414030002142
610213443424441
71001040361300
oct147347045151
938750062567
1013885000297
1159857a2263
122836085121
131403845c0c
1495a0dd437
15563eb9267
hex33b9c4a69

13885000297 has 24 divisors (see below), whose sum is σ = 16307727360. Its totient is φ = 11786977440.

The previous prime is 13885000267. The next prime is 13885000307. The reversal of 13885000297 is 79200058831.

It is not a de Polignac number, because 13885000297 - 231 = 11737516649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13885000237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4298479 + ... + 4301707.

It is an arithmetic number, because the mean of its divisors is an integer number (679488640).

Almost surely, 213885000297 is an apocalyptic number.

It is an amenable number.

13885000297 is a deficient number, since it is larger than the sum of its proper divisors (2422727063).

13885000297 is a wasteful number, since it uses less digits than its factorization.

13885000297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4061 (or 4054 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 13885000297 in words is "thirteen billion, eight hundred eighty-five million, two hundred ninety-seven", and thus it is an aban number.

Divisors: 1 7 49 127 691 889 3229 4837 6223 22603 33859 87757 158221 410083 614299 2231239 2870581 4300093 15618673 20094067 109330711 283367353 1983571471 13885000297