Base | Representation |
---|---|
bin | 10110010000001011… |
… | …111000010001111001 |
3 | 2021200012112100021122 |
4 | 112100023320101321 |
5 | 342413312312224 |
6 | 14550544315025 |
7 | 1504053353444 |
oct | 262013702171 |
9 | 67605470248 |
10 | 23893869689 |
11 | a151514a48 |
12 | 476a012a75 |
13 | 233a31a441 |
14 | 12294d065b |
15 | 94ca2a15e |
hex | 5902f8479 |
23893869689 has 8 divisors (see below), whose sum is σ = 24722472000. Its totient is φ = 23065579152.
The previous prime is 23893869679. The next prime is 23893869757. The reversal of 23893869689 is 98696839832.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-23893869689 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (23893869679) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83702 + ... + 234080.
It is an arithmetic number, because the mean of its divisors is an integer number (3090309000).
Almost surely, 223893869689 is an apocalyptic number.
23893869689 is a gapful number since it is divisible by the number (29) formed by its first and last digit.
It is an amenable number.
23893869689 is a deficient number, since it is larger than the sum of its proper divisors (828602311).
23893869689 is a wasteful number, since it uses less digits than its factorization.
23893869689 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 155887.
The product of its digits is 241864704, while the sum is 71.
The spelling of 23893869689 in words is "twenty-three billion, eight hundred ninety-three million, eight hundred sixty-nine thousand, six hundred eighty-nine".
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