Base | Representation |
---|---|
bin | 10101011010111110… |
… | …011101111100000110 |
3 | 2012100222202001211120 |
4 | 111122332131330012 |
5 | 334101244131403 |
6 | 14322214414410 |
7 | 1442663434551 |
oct | 253276357406 |
9 | 65328661746 |
10 | 23001161478 |
11 | 9833613069 |
12 | 455b061406 |
13 | 22273a7a29 |
14 | 1182b11698 |
15 | 8e948de53 |
hex | 55af9df06 |
23001161478 has 8 divisors (see below), whose sum is σ = 46002322968. Its totient is φ = 7667053824.
The previous prime is 23001161453. The next prime is 23001161479. The reversal of 23001161478 is 87416110032.
It is a sphenic number, since it is the product of 3 distinct primes.
23001161478 is an admirable number.
It is a super-2 number, since 2×230011614782 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23001161479) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1916763451 + ... + 1916763462.
It is an arithmetic number, because the mean of its divisors is an integer number (5750290371).
Almost surely, 223001161478 is an apocalyptic number.
23001161478 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23001161478 is a wasteful number, since it uses less digits than its factorization.
23001161478 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3833526918.
The product of its (nonzero) digits is 8064, while the sum is 33.
The spelling of 23001161478 in words is "twenty-three billion, one million, one hundred sixty-one thousand, four hundred seventy-eight".
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