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13807690397 = 4328878419
BaseRepresentation
bin11001101110000000…
…01010001010011101
31022122021121100101122
430313000022022131
5211234232043042
610202042420325
7666111301064
oct146700121235
938567540348
1013807690397
115946099186
1228142016a5
1313c0818107
1494db371db
1555c2e77d2
hex33700a29d

13807690397 has 12 divisors (see below), whose sum is σ = 14153885280. Its totient is φ = 13469776488.

The previous prime is 13807690381. The next prime is 13807690459. The reversal of 13807690397 is 79309670831.

It is a happy number.

It is not a de Polignac number, because 13807690397 - 24 = 13807690381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13807690367) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1635854 + ... + 1644272.

It is an arithmetic number, because the mean of its divisors is an integer number (1179490440).

Almost surely, 213807690397 is an apocalyptic number.

It is an amenable number.

13807690397 is a deficient number, since it is larger than the sum of its proper divisors (346194883).

13807690397 is an frugal number, since it uses more digits than its factorization.

13807690397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9392 (or 9349 counting only the distinct ones).

The product of its (nonzero) digits is 1714608, while the sum is 53.

The spelling of 13807690397 in words is "thirteen billion, eight hundred seven million, six hundred ninety thousand, three hundred ninety-seven".

Divisors: 1 43 887 1849 8419 38141 362017 1640063 7467653 15566731 321109079 13807690397