Base | Representation |
---|---|
bin | 10101101011100111… |
… | …100110110011101111 |
3 | 2020002110010220020112 |
4 | 111223213212303233 |
5 | 340134234144132 |
6 | 14410031210235 |
7 | 1452623655251 |
oct | 255347466357 |
9 | 66073126215 |
10 | 23280381167 |
11 | 9967193a3a |
12 | 461867697b |
13 | 22701ab194 |
14 | 11abc35cd1 |
15 | 913c45ab2 |
hex | 56b9e6cef |
23280381167 has 8 divisors (see below), whose sum is σ = 24012205776. Its totient is φ = 22553957952.
The previous prime is 23280381139. The next prime is 23280381191. The reversal of 23280381167 is 76118308232.
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 23280381167 - 222 = 23276186863 is a prime.
It is a super-2 number, since 2×232803811672 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23280381197) 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, 1341593 + ... + 1358834.
It is an arithmetic number, because the mean of its divisors is an integer number (3001525722).
Almost surely, 223280381167 is an apocalyptic number.
23280381167 is a deficient number, since it is larger than the sum of its proper divisors (731824609).
23280381167 is a wasteful number, since it uses less digits than its factorization.
23280381167 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2700697.
The product of its (nonzero) digits is 96768, while the sum is 41.
Adding to 23280381167 its reverse (76118308232), we get a palindrome (99398689399).
The spelling of 23280381167 in words is "twenty-three billion, two hundred eighty million, three hundred eighty-one thousand, one hundred sixty-seven".
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