Base | Representation |
---|---|
bin | 10101011010111110… |
… | …010110100001101000 |
3 | 2012100222200112011220 |
4 | 111122332112201220 |
5 | 334101242143422 |
6 | 14322214022040 |
7 | 1442663250201 |
oct | 253276264150 |
9 | 65328615156 |
10 | 23001131112 |
11 | 98335a2273 |
12 | 455b047920 |
13 | 2227396c6b |
14 | 1182b045a8 |
15 | 8e9484e5c |
hex | 55af96868 |
23001131112 has 32 divisors (see below), whose sum is σ = 60529293600. Its totient is φ = 7263514944.
The previous prime is 23001131107. The next prime is 23001131113. The reversal of 23001131112 is 21113110032.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 23001131091 and 23001131100.
It is not an unprimeable number, because it can be changed into a prime (23001131113) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25220083 + ... + 25220994.
It is an arithmetic number, because the mean of its divisors is an integer number (1891540425).
Almost surely, 223001131112 is an apocalyptic number.
It is an amenable number.
23001131112 is an abundant number, since it is smaller than the sum of its proper divisors (37528162488).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23001131112 is a wasteful number, since it uses less digits than its factorization.
23001131112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 50441105 (or 50441101 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 15.
Adding to 23001131112 its reverse (21113110032), we get a palindrome (44114241144).
The spelling of 23001131112 in words is "twenty-three billion, one million, one hundred thirty-one thousand, one hundred twelve".
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