Base | Representation |
---|---|
bin | 10101110101110011… |
… | …100001011000001101 |
3 | 2020112100201021222220 |
4 | 111311303201120031 |
5 | 341012011324223 |
6 | 14435014125553 |
7 | 1460100364266 |
oct | 256563413015 |
9 | 66470637886 |
10 | 23451276813 |
11 | 9a446a8408 |
12 | 46659508b9 |
13 | 2299715073 |
14 | 11c67dd96d |
15 | 923c516e3 |
hex | 575ce160d |
23451276813 has 32 divisors (see below), whose sum is σ = 34993244160. Its totient is φ = 13900011840.
The previous prime is 23451276743. The next prime is 23451276817. The reversal of 23451276813 is 31867215432.
It is not a de Polignac number, because 23451276813 - 29 = 23451276301 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23451276817) 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, 99273 + ... + 238238.
It is an arithmetic number, because the mean of its divisors is an integer number (1093538880).
Almost surely, 223451276813 is an apocalyptic number.
23451276813 is a gapful number since it is divisible by the number (23) formed by its first and last digit.
It is an amenable number.
23451276813 is a deficient number, since it is larger than the sum of its proper divisors (11541967347).
23451276813 is a wasteful number, since it uses less digits than its factorization.
23451276813 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 337609.
The product of its digits is 241920, while the sum is 42.
The spelling of 23451276813 in words is "twenty-three billion, four hundred fifty-one million, two hundred seventy-six thousand, eight hundred thirteen".
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