Base | Representation |
---|---|
bin | 10101011010111010… |
… | …100010011000110000 |
3 | 2012100220210201110011 |
4 | 111122322202120300 |
5 | 334101013143440 |
6 | 14322140344304 |
7 | 1442651613601 |
oct | 253272423060 |
9 | 65326721404 |
10 | 23000131120 |
11 | 9832a79a2a |
12 | 455a845094 |
13 | 2227106a55 |
14 | 1182923da8 |
15 | 8e93389ea |
hex | 55aea2630 |
23000131120 has 80 divisors (see below), whose sum is σ = 53986017888. Its totient is φ = 9112463360.
The previous prime is 23000131117. The next prime is 23000131127. The reversal of 23000131120 is 2113100032.
It is a tau number, because it is divible by the number of its divisors (80).
It is a self number, because there is not a number n which added to its sum of digits gives 23000131120.
It is not an unprimeable number, because it can be changed into a prime (23000131127) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6464382 + ... + 6467938.
Almost surely, 223000131120 is an apocalyptic number.
23000131120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23000131120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26993008944).
23000131120 is an abundant number, since it is smaller than the sum of its proper divisors (30985886768).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23000131120 is a wasteful number, since it uses less digits than its factorization.
23000131120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4318 (or 4312 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 23000131120 its reverse (2113100032), we get a palindrome (25113231152).
It can be divided in two parts, 230001 and 31120, that added together give a square (261121 = 5112).
The spelling of 23000131120 in words is "twenty-three billion, one hundred thirty-one thousand, one hundred twenty".
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