Base | Representation |
---|---|
bin | 1010100110011010100000… |
… | …00101011000001000001100 |
3 | 10001112102112010010010102010 |
4 | 11103031100011120020030 |
5 | 11023403122030232340 |
6 | 121324305411301220 |
7 | 4624046531114454 |
oct | 523152005301014 |
9 | 101472463103363 |
10 | 23310131102220 |
11 | 747785334a066 |
12 | 27457ab8aa810 |
13 | 100119c843081 |
14 | 5a83059c4d64 |
15 | 2a653b3e1b80 |
hex | 15335015820c |
23310131102220 has 192 divisors, whose sum is σ = 68909150016000. Its totient is φ = 5871267846144.
The previous prime is 23310131102197. The next prime is 23310131102233. The reversal of 23310131102220 is 2220113101332.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 919918311 + ... + 919943649.
It is an arithmetic number, because the mean of its divisors is an integer number (358901823000).
Almost surely, 223310131102220 is an apocalyptic number.
23310131102220 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 23310131102220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34454575008000).
23310131102220 is an abundant number, since it is smaller than the sum of its proper divisors (45599018913780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23310131102220 is a wasteful number, since it uses less digits than its factorization.
23310131102220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 27752 (or 27750 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 23310131102220 its reverse (2220113101332), we get a palindrome (25530244203552).
The spelling of 23310131102220 in words is "twenty-three trillion, three hundred ten billion, one hundred thirty-one million, one hundred two thousand, two hundred twenty".
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