Base | Representation |
---|---|
bin | 10101100011011111… |
… | …110000010101110011 |
3 | 2012201221201100221100 |
4 | 111203133300111303 |
5 | 334344342332311 |
6 | 14344322255443 |
7 | 1446350435514 |
oct | 254337602563 |
9 | 65657640840 |
10 | 23144105331 |
11 | 98a7275986 |
12 | 459aab7583 |
13 | 224aba5ca9 |
14 | 1197ac0a0b |
15 | 906cc7a56 |
hex | 5637f0573 |
23144105331 has 12 divisors (see below), whose sum is σ = 34141659552. Its totient is φ = 15101118096.
The previous prime is 23144105329. The next prime is 23144105351. The reversal of 23144105331 is 13350144132.
It is a happy number.
23144105331 is a `hidden beast` number, since 2 + 314 + 4 + 10 + 5 + 331 = 666.
It is not a de Polignac number, because 23144105331 - 21 = 23144105329 is a prime.
It is a super-2 number, since 2×231441053312 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23144105295 and 23144105304.
It is not an unprimeable number, because it can be changed into a prime (23144105351) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27356676 + ... + 27357521.
It is an arithmetic number, because the mean of its divisors is an integer number (2845138296).
Almost surely, 223144105331 is an apocalyptic number.
23144105331 is a deficient number, since it is larger than the sum of its proper divisors (10997554221).
23144105331 is a wasteful number, since it uses less digits than its factorization.
23144105331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54714250 (or 54714247 counting only the distinct ones).
The product of its (nonzero) digits is 4320, while the sum is 27.
Adding to 23144105331 its reverse (13350144132), we get a palindrome (36494249463).
The spelling of 23144105331 in words is "twenty-three billion, one hundred forty-four million, one hundred five thousand, three hundred thirty-one".
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