Base | Representation |
---|---|
bin | 10101011100000111… |
… | …001011001011000000 |
3 | 2012102022121101202020 |
4 | 111130013023023000 |
5 | 334121134033440 |
6 | 14324135121440 |
7 | 1443314436201 |
oct | 253407131300 |
9 | 65368541666 |
10 | 23020221120 |
11 | 9843350936 |
12 | 4565513280 |
13 | 222b31c120 |
14 | 11854735a8 |
15 | 8eaea63d0 |
hex | 55c1cb2c0 |
23020221120 has 112 divisors (see below), whose sum is σ = 78711491040. Its totient is φ = 5666512896.
The previous prime is 23020221089. The next prime is 23020221137. The reversal of 23020221120 is 2112202032.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 23020221120.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 909805 + ... + 934764.
It is an arithmetic number, because the mean of its divisors is an integer number (702781170).
Almost surely, 223020221120 is an apocalyptic number.
23020221120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23020221120 is an abundant number, since it is smaller than the sum of its proper divisors (55691269920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23020221120 is a wasteful number, since it uses less digits than its factorization.
23020221120 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1844602 (or 1844592 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 23020221120 its reverse (2112202032), we get a palindrome (25132423152).
The spelling of 23020221120 in words is "twenty-three billion, twenty million, two hundred twenty-one thousand, one hundred twenty".
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