Base | Representation |
---|---|
bin | 10101100000111100… |
… | …101000100111011100 |
3 | 2012121222020212201111 |
4 | 111200330220213130 |
5 | 334302421003340 |
6 | 14340153551404 |
7 | 1445321120533 |
oct | 254074504734 |
9 | 65558225644 |
10 | 23101344220 |
11 | 9885119919 |
12 | 4588715564 |
13 | 2242083766 |
14 | 119214d31a |
15 | 90317caea |
hex | 560f289dc |
23101344220 has 36 divisors (see below), whose sum is σ = 49724994312. Its totient is φ = 9015145600.
The previous prime is 23101344197. The next prime is 23101344239. The reversal of 23101344220 is 2244310132.
It is a junction number, because it is equal to n+sod(n) for n = 23101344191 and 23101344200.
It is a congruent number.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 309946 + ... + 377185.
It is an arithmetic number, because the mean of its divisors is an integer number (1381249842).
Almost surely, 223101344220 is an apocalyptic number.
23101344220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23101344220 is an abundant number, since it is smaller than the sum of its proper divisors (26623650092).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23101344220 is a wasteful number, since it uses less digits than its factorization.
23101344220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 687222 (or 687179 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 22.
Adding to 23101344220 its reverse (2244310132), we get a palindrome (25345654352).
The spelling of 23101344220 in words is "twenty-three billion, one hundred one million, three hundred forty-four thousand, two hundred twenty".
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