Base | Representation |
---|---|
bin | 10101100010101110… |
… | …010001000110001110 |
3 | 2012201001022021021210 |
4 | 111202232101012032 |
5 | 334333032213202 |
6 | 14343140235250 |
7 | 1446132244335 |
oct | 254256210616 |
9 | 65631267253 |
10 | 23131132302 |
11 | 989aa15073 |
12 | 459669bb26 |
13 | 22482b3145 |
14 | 11960a4d1c |
15 | 905ab3c6c |
hex | 562b9118e |
23131132302 has 8 divisors (see below), whose sum is σ = 46262264616. Its totient is φ = 7710377432.
The previous prime is 23131132301. The next prime is 23131132309. The reversal of 23131132302 is 20323113132.
It is a sphenic number, since it is the product of 3 distinct primes.
23131132302 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23131132301) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1927594353 + ... + 1927594364.
It is an arithmetic number, because the mean of its divisors is an integer number (5782783077).
Almost surely, 223131132302 is an apocalyptic number.
23131132302 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23131132302 is a wasteful number, since it uses less digits than its factorization.
23131132302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3855188722.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 23131132302 its reverse (20323113132), we get a palindrome (43454245434).
The spelling of 23131132302 in words is "twenty-three billion, one hundred thirty-one million, one hundred thirty-two thousand, three hundred two".
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