Base | Representation |
---|---|
bin | 1111001001100110011010… |
… | …0001000111001101110111 |
3 | 2011222110012000002001202122 |
4 | 3302121212201013031313 |
5 | 4140404232400131411 |
6 | 55232221445230155 |
7 | 3336320635262630 |
oct | 362314641071567 |
9 | 64873160061678 |
10 | 16657603130231 |
11 | 53424a4782318 |
12 | 1a5043170235b |
13 | 93aa61141a5b |
14 | 4183375ac887 |
15 | 1dd480d429db |
hex | f2666847377 |
16657603130231 has 32 divisors (see below), whose sum is σ = 19724962406400. Its totient is φ = 13763747612160.
The previous prime is 16657603130227. The next prime is 16657603130239. The reversal of 16657603130231 is 13203130675661.
It is not a de Polignac number, because 16657603130231 - 22 = 16657603130227 is a prime.
It is a super-2 number, since 2×166576031302312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16657603130239) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 369170090 + ... + 369215208.
It is an arithmetic number, because the mean of its divisors is an integer number (616405075200).
Almost surely, 216657603130231 is an apocalyptic number.
16657603130231 is a deficient number, since it is larger than the sum of its proper divisors (3067359276169).
16657603130231 is a wasteful number, since it uses less digits than its factorization.
16657603130231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 47999.
The product of its (nonzero) digits is 408240, while the sum is 44.
The spelling of 16657603130231 in words is "sixteen trillion, six hundred fifty-seven billion, six hundred three million, one hundred thirty thousand, two hundred thirty-one".
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