Base | Representation |
---|---|
bin | 10101100011011111… |
… | …110100101100001000 |
3 | 2012201221202021101002 |
4 | 111203133310230020 |
5 | 334344343420034 |
6 | 14344322514132 |
7 | 1446350541452 |
oct | 254337645410 |
9 | 65657667332 |
10 | 23144123144 |
11 | 98a72882aa |
12 | 459ab05948 |
13 | 224abb112c |
14 | 1197ac72d2 |
15 | 906ccce7e |
hex | 5637f4b08 |
23144123144 has 16 divisors (see below), whose sum is σ = 44318534400. Its totient is φ = 11325847312.
The previous prime is 23144123113. The next prime is 23144123179. The reversal of 23144123144 is 44132144132.
It is a super-2 number, since 2×231441231442 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30776384 + ... + 30777135.
It is an arithmetic number, because the mean of its divisors is an integer number (2769908400).
Almost surely, 223144123144 is an apocalyptic number.
It is an amenable number.
23144123144 is a deficient number, since it is larger than the sum of its proper divisors (21174411256).
23144123144 is a wasteful number, since it uses less digits than its factorization.
23144123144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61553572 (or 61553568 counting only the distinct ones).
The product of its digits is 9216, while the sum is 29.
Adding to 23144123144 its reverse (44132144132), we get a palindrome (67276267276).
The spelling of 23144123144 in words is "twenty-three billion, one hundred forty-four million, one hundred twenty-three thousand, one hundred forty-four".
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