Base | Representation |
---|---|
bin | 10101100110001111… |
… | …110010010010011111 |
3 | 2012212011112210102102 |
4 | 111212033302102133 |
5 | 334443201010110 |
6 | 14353051315315 |
7 | 1450450610135 |
oct | 254617622237 |
9 | 65764483372 |
10 | 23190250655 |
11 | 9920323610 |
12 | 45b244bb3b |
13 | 2257611a10 |
14 | 119dc93755 |
15 | 90ad905a5 |
hex | 5663f249f |
23190250655 has 16 divisors (see below), whose sum is σ = 32693389344. Its totient is φ = 15568279680.
The previous prime is 23190250651. The next prime is 23190250729. The reversal of 23190250655 is 55605209132.
It is not a de Polignac number, because 23190250655 - 22 = 23190250651 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23190250651) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16216244 + ... + 16217673.
It is an arithmetic number, because the mean of its divisors is an integer number (2043336834).
Almost surely, 223190250655 is an apocalyptic number.
23190250655 is a deficient number, since it is larger than the sum of its proper divisors (9503138689).
23190250655 is a wasteful number, since it uses less digits than its factorization.
23190250655 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32433946.
The product of its (nonzero) digits is 81000, while the sum is 38.
Adding to 23190250655 its reverse (55605209132), we get a palindrome (78795459787).
The spelling of 23190250655 in words is "twenty-three billion, one hundred ninety million, two hundred fifty thousand, six hundred fifty-five".
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