Base | Representation |
---|---|
bin | 11001111000101101… |
… | …01000010000010101 |
3 | 1022212112112110121100 |
4 | 30330112220100111 |
5 | 211430222420101 |
6 | 10215010540313 |
7 | 1001251343133 |
oct | 147426502025 |
9 | 38775473540 |
10 | 13897466901 |
11 | 599183763a |
12 | 283a297699 |
13 | 14062bc3c6 |
14 | 95ba26753 |
15 | 56512ce86 |
hex | 33c5a8415 |
13897466901 has 12 divisors (see below), whose sum is σ = 21254949612. Its totient is φ = 8719979136.
The previous prime is 13897466899. The next prime is 13897466903. The reversal of 13897466901 is 10966479831.
13897466901 is a `hidden beast` number, since 1 + 3 + 8 + 97 + 466 + 90 + 1 = 666.
It is an interprime number because it is at equal distance from previous prime (13897466899) and next prime (13897466903).
It can be written as a sum of positive squares in 2 ways, for example, as 8913248100 + 4984218801 = 94410^2 + 70599^2 .
It is not a de Polignac number, because 13897466901 - 21 = 13897466899 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13897466903) 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, 45416406 + ... + 45416711.
It is an arithmetic number, because the mean of its divisors is an integer number (1771245801).
Almost surely, 213897466901 is an apocalyptic number.
It is an amenable number.
13897466901 is a deficient number, since it is larger than the sum of its proper divisors (7357482711).
13897466901 is a wasteful number, since it uses less digits than its factorization.
13897466901 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 90833140 (or 90833137 counting only the distinct ones).
The product of its (nonzero) digits is 1959552, while the sum is 54.
The spelling of 13897466901 in words is "thirteen billion, eight hundred ninety-seven million, four hundred sixty-six thousand, nine hundred one".
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