Base | Representation |
---|---|
bin | 10101100110010001… |
… | …110110101100011010 |
3 | 2012212012120100100202 |
4 | 111212101312230122 |
5 | 334443320333421 |
6 | 14353111102202 |
7 | 1450455326234 |
oct | 254621665432 |
9 | 65765510322 |
10 | 23190792986 |
11 | 9920664019 |
12 | 45b2671962 |
13 | 225777181a |
14 | 119dd95254 |
15 | 90ae4b10b |
hex | 566476b1a |
23190792986 has 4 divisors (see below), whose sum is σ = 34786189482. Its totient is φ = 11595396492.
The previous prime is 23190792983. The next prime is 23190793001. The reversal of 23190792986 is 68929709132.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 12482475625 + 10708317361 = 111725^2 + 103481^2 .
It is not an unprimeable number, because it can be changed into a prime (23190792983) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5797698245 + ... + 5797698248.
Almost surely, 223190792986 is an apocalyptic number.
23190792986 is a deficient number, since it is larger than the sum of its proper divisors (11595396496).
23190792986 is a wasteful number, since it uses less digits than its factorization.
23190792986 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11595396495.
The product of its (nonzero) digits is 2939328, while the sum is 56.
The spelling of 23190792986 in words is "twenty-three billion, one hundred ninety million, seven hundred ninety-two thousand, nine hundred eighty-six".
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