Base | Representation |
---|---|
bin | 11001101110000000… |
… | …01010001010011101 |
3 | 1022122021121100101122 |
4 | 30313000022022131 |
5 | 211234232043042 |
6 | 10202042420325 |
7 | 666111301064 |
oct | 146700121235 |
9 | 38567540348 |
10 | 13807690397 |
11 | 5946099186 |
12 | 28142016a5 |
13 | 13c0818107 |
14 | 94db371db |
15 | 55c2e77d2 |
hex | 33700a29d |
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".
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