Base | Representation |
---|---|
bin | 1011111111110011… |
… | …1011010110110111 |
3 | 22022102210021202200 |
4 | 2333330323112313 |
5 | 23043411420043 |
6 | 1251320435543 |
7 | 142543055442 |
oct | 27774732667 |
9 | 8272707680 |
10 | 3220420023 |
11 | 1402930257 |
12 | 75a618bb3 |
13 | 3c426b1a2 |
14 | 2279c2659 |
15 | 13cad37d3 |
hex | bff3b5b7 |
3220420023 has 12 divisors (see below), whose sum is σ = 4777440408. Its totient is φ = 2088920880.
The previous prime is 3220420019. The next prime is 3220420033. The reversal of 3220420023 is 3200240223.
3220420023 is a `hidden beast` number, since 3 + 220 + 420 + 0 + 23 = 666.
It is not a de Polignac number, because 3220420023 - 22 = 3220420019 is a prime.
It is a super-2 number, since 2×32204200232 = 20742210249078641058, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 3220419978 and 3220420005.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3220420013) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4835133 + ... + 4835798.
It is an arithmetic number, because the mean of its divisors is an integer number (398120034).
Almost surely, 23220420023 is an apocalyptic number.
3220420023 is a deficient number, since it is larger than the sum of its proper divisors (1557020385).
3220420023 is a wasteful number, since it uses less digits than its factorization.
3220420023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9670974 (or 9670971 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 18.
The square root of 3220420023 is about 56748.7446821513. The cubic root of 3220420023 is about 1476.7404559725.
Adding to 3220420023 its reverse (3200240223), we get a palindrome (6420660246).
The spelling of 3220420023 in words is "three billion, two hundred twenty million, four hundred twenty thousand, twenty-three".
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