Base | Representation |
---|---|
bin | 10101011011101000… |
… | …101110101011110011 |
3 | 2012101202120220212110 |
4 | 111123220232223303 |
5 | 334112113140430 |
6 | 14323252100403 |
7 | 1443156546024 |
oct | 253350565363 |
9 | 65352526773 |
10 | 23012240115 |
11 | 983989a667 |
12 | 4562904703 |
13 | 2229786537 |
14 | 1184396c4b |
15 | 8ea42b7b0 |
hex | 55ba2eaf3 |
23012240115 has 32 divisors (see below), whose sum is σ = 37486665216. Its totient is φ = 12052609280.
The previous prime is 23012240113. The next prime is 23012240129. The reversal of 23012240115 is 51104221032.
It is not a de Polignac number, because 23012240115 - 21 = 23012240113 is a prime.
It is a super-2 number, since 2×230122401152 (a number of 22 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 23012240091 and 23012240100.
It is not an unprimeable number, because it can be changed into a prime (23012240113) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152575 + ... + 263255.
It is an arithmetic number, because the mean of its divisors is an integer number (1171458288).
Almost surely, 223012240115 is an apocalyptic number.
23012240115 is a deficient number, since it is larger than the sum of its proper divisors (14474425101).
23012240115 is a wasteful number, since it uses less digits than its factorization.
23012240115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 110939.
The product of its (nonzero) digits is 480, while the sum is 21.
Adding to 23012240115 its reverse (51104221032), we get a palindrome (74116461147).
The spelling of 23012240115 in words is "twenty-three billion, twelve million, two hundred forty thousand, one hundred fifteen".
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