Base | Representation |
---|---|
bin | 10101100010000100… |
… | …101011111110001010 |
3 | 2012200021210111100010 |
4 | 111202010223332022 |
5 | 334322234413310 |
6 | 14342110452350 |
7 | 1445640506106 |
oct | 254204537612 |
9 | 65607714303 |
10 | 23120232330 |
11 | 989484a828 |
12 | 4592b040b6 |
13 | 2245c67a60 |
14 | 1194868906 |
15 | 904b5e320 |
hex | 56212bf8a |
23120232330 has 64 divisors (see below), whose sum is σ = 59827824000. Its totient is φ = 5684380416.
The previous prime is 23120232323. The next prime is 23120232337. The reversal of 23120232330 is 3323202132.
It is an interprime number because it is at equal distance from previous prime (23120232323) and next prime (23120232337).
It is a junction number, because it is equal to n+sod(n) for n = 23120232297 and 23120232306.
It is not an unprimeable number, because it can be changed into a prime (23120232337) 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 31 ways as a sum of consecutive naturals, for example, 297921 + ... + 367419.
It is an arithmetic number, because the mean of its divisors is an integer number (934809750).
Almost surely, 223120232330 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 23120232330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29913912000).
23120232330 is an abundant number, since it is smaller than the sum of its proper divisors (36707591670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23120232330 is a wasteful number, since it uses less digits than its factorization.
23120232330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 70375.
The product of its (nonzero) digits is 1296, while the sum is 21.
Adding to 23120232330 its reverse (3323202132), we get a palindrome (26443434462).
The spelling of 23120232330 in words is "twenty-three billion, one hundred twenty million, two hundred thirty-two thousand, three hundred thirty".
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