Base | Representation |
---|---|
bin | 10101100001100101… |
… | …010100110101110100 |
3 | 2012122201022210222000 |
4 | 111201211110311310 |
5 | 334313133323444 |
6 | 14341214335300 |
7 | 1445510565426 |
oct | 254145246564 |
9 | 65581283860 |
10 | 23112011124 |
11 | 9890145044 |
12 | 45901ba530 |
13 | 2244349a37 |
14 | 1193728816 |
15 | 904088469 |
hex | 561954d74 |
23112011124 has 48 divisors (see below), whose sum is σ = 59938368000. Its totient is φ = 7701645888.
The previous prime is 23112011123. The next prime is 23112011147. The reversal of 23112011124 is 42111021132.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 23112011097 and 23112011106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23112011123) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341469 + ... + 403515.
It is an arithmetic number, because the mean of its divisors is an integer number (1248716000).
Almost surely, 223112011124 is an apocalyptic number.
It is an amenable number.
23112011124 is an abundant number, since it is smaller than the sum of its proper divisors (36826356876).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23112011124 is a wasteful number, since it uses less digits than its factorization.
23112011124 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 65509 (or 65501 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 18.
Adding to 23112011124 its reverse (42111021132), we get a palindrome (65223032256).
It can be divided in two parts, 2311201 and 1124, that added together give a triangular number (2312325 = T2150).
The spelling of 23112011124 in words is "twenty-three billion, one hundred twelve million, eleven thousand, one hundred twenty-four".
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