Base | Representation |
---|---|
bin | 10101101101111111… |
… | …111001011001110100 |
3 | 2020012020021011000002 |
4 | 111231333321121310 |
5 | 340224444200340 |
6 | 14414015010432 |
7 | 1453620210134 |
oct | 255577713164 |
9 | 66166234002 |
10 | 23320303220 |
11 | 9987780a75 |
12 | 4629b09a18 |
13 | 22785483b6 |
14 | 11b3268ac4 |
15 | 9174ce715 |
hex | 56dff9674 |
23320303220 has 48 divisors (see below), whose sum is σ = 51563312640. Its totient is φ = 8834910336.
The previous prime is 23320303211. The next prime is 23320303229. The reversal of 23320303220 is 2230302332.
It is an interprime number because it is at equal distance from previous prime (23320303211) and next prime (23320303229).
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 23320303192 and 23320303201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23320303229) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2877494 + ... + 2885586.
It is an arithmetic number, because the mean of its divisors is an integer number (1074235680).
Almost surely, 223320303220 is an apocalyptic number.
23320303220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23320303220 is an abundant number, since it is smaller than the sum of its proper divisors (28243009420).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23320303220 is a wasteful number, since it uses less digits than its factorization.
23320303220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15704 (or 15702 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 20.
Adding to 23320303220 its reverse (2230302332), we get a palindrome (25550605552).
The spelling of 23320303220 in words is "twenty-three billion, three hundred twenty million, three hundred three thousand, two hundred twenty".
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