Base | Representation |
---|---|
bin | 10101100011100011… |
… | …010111111110110100 |
3 | 2012202000111120110010 |
4 | 111203203113332310 |
5 | 334400113213012 |
6 | 14344354500220 |
7 | 1446361466634 |
oct | 254343277664 |
9 | 65660446403 |
10 | 23145054132 |
11 | 98a7863812 |
12 | 459b294670 |
13 | 224b148b05 |
14 | 1197c8a6c4 |
15 | 906e13c3c |
hex | 5638d7fb4 |
23145054132 has 48 divisors (see below), whose sum is σ = 54658800000. Its totient is φ = 7621785600.
The previous prime is 23145054083. The next prime is 23145054161.
23145054132 is nontrivially palindromic in base 10.
It is a self number, because there is not a number n which added to its sum of digits gives 23145054132.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1325257 + ... + 1342607.
It is an arithmetic number, because the mean of its divisors is an integer number (1138725000).
Almost surely, 223145054132 is an apocalyptic number.
It is an amenable number.
23145054132 is an abundant number, since it is smaller than the sum of its proper divisors (31513745868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23145054132 is a wasteful number, since it uses less digits than its factorization.
23145054132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18696 (or 18694 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 30.
It can be divided in two parts, 231450 and 54132, that added together give a palindrome (285582).
The spelling of 23145054132 in words is "twenty-three billion, one hundred forty-five million, fifty-four thousand, one hundred thirty-two".
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