Base | Representation |
---|---|
bin | 10101011100010010… |
… | …100111110100000100 |
3 | 2012102112020212012200 |
4 | 111130102213310010 |
5 | 334122421101040 |
6 | 14324323314500 |
7 | 1443352105161 |
oct | 253422476404 |
9 | 65375225180 |
10 | 23023222020 |
11 | 9845010517 |
12 | 456651ba30 |
13 | 222bb2ccc6 |
14 | 1185a15068 |
15 | 8eb39a630 |
hex | 55c4a7d04 |
23023222020 has 72 divisors (see below), whose sum is σ = 69851011776. Its totient is φ = 6138303552.
The previous prime is 23023222007. The next prime is 23023222063. The reversal of 23023222020 is 2022232032.
23023222020 is a `hidden beast` number, since 2 + 302 + 322 + 20 + 20 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 23023221984 and 23023222002.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1229649 + ... + 1248231.
Almost surely, 223023222020 is an apocalyptic number.
23023222020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23023222020 is an abundant number, since it is smaller than the sum of its proper divisors (46827789756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23023222020 is a wasteful number, since it uses less digits than its factorization.
23023222020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25481 (or 25476 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 18.
Adding to 23023222020 its reverse (2022232032), we get a palindrome (25045454052).
It can be divided in two parts, 230232 and 22020, that added together give a palindrome (252252).
The spelling of 23023222020 in words is "twenty-three billion, twenty-three million, two hundred twenty-two thousand, twenty".
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