Base | Representation |
---|---|
bin | 10101110111011110… |
… | …101111001011001011 |
3 | 2020121022121020001211 |
4 | 111313132233023023 |
5 | 341041210221411 |
6 | 14441500353551 |
7 | 1460561313610 |
oct | 256736571313 |
9 | 66538536054 |
10 | 23479382731 |
11 | 9a59554842 |
12 | 46732458b7 |
13 | 22a24a5b9c |
14 | 11ca438507 |
15 | 926454221 |
hex | 5777af2cb |
23479382731 has 8 divisors (see below), whose sum is σ = 26842690784. Its totient is φ = 20118352320.
The previous prime is 23479382659. The next prime is 23479382743. The reversal of 23479382731 is 13728397432.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 23479382731 - 27 = 23479382603 is a prime.
It is a super-2 number, since 2×234793827312 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (23479382761) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 547260 + ... + 588601.
It is an arithmetic number, because the mean of its divisors is an integer number (3355336348).
Almost surely, 223479382731 is an apocalyptic number.
23479382731 is a deficient number, since it is larger than the sum of its proper divisors (3363308053).
23479382731 is a wasteful number, since it uses less digits than its factorization.
23479382731 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1138821.
The product of its digits is 1524096, while the sum is 49.
The spelling of 23479382731 in words is "twenty-three billion, four hundred seventy-nine million, three hundred eighty-two thousand, seven hundred thirty-one".
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