Base | Representation |
---|---|
bin | 10110010101011000… |
… | …100001010101110101 |
3 | 2021220021121120012010 |
4 | 112111120201111311 |
5 | 343103123212220 |
6 | 15003341314433 |
7 | 1506162505026 |
oct | 262530412565 |
9 | 67807546163 |
10 | 23981069685 |
11 | a196763661 |
12 | 4793265a19 |
13 | 23523cba81 |
14 | 1236d0cc4d |
15 | 9555021e0 |
hex | 595621575 |
23981069685 has 32 divisors (see below), whose sum is σ = 39402050688. Its totient is φ = 12447912960.
The previous prime is 23981069677. The next prime is 23981069687. The reversal of 23981069685 is 58696018932.
It is not a de Polignac number, because 23981069685 - 23 = 23981069677 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23981069687) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 115089 + ... + 247401.
It is an arithmetic number, because the mean of its divisors is an integer number (1231314084).
Almost surely, 223981069685 is an apocalyptic number.
It is an amenable number.
23981069685 is a deficient number, since it is larger than the sum of its proper divisors (15420981003).
23981069685 is a wasteful number, since it uses less digits than its factorization.
23981069685 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 132645.
The product of its (nonzero) digits is 5598720, while the sum is 57.
The spelling of 23981069685 in words is "twenty-three billion, nine hundred eighty-one million, sixty-nine thousand, six hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •