Base | Representation |
---|---|
bin | 1100111110110100101… |
… | …0001100000011111011 |
3 | 210022122210121210001110 |
4 | 3033231022030003323 |
5 | 12123222141000011 |
6 | 250242135451403 |
7 | 22053461306520 |
oct | 3175512140373 |
9 | 708583553043 |
10 | 223022203131 |
11 | 86646246162 |
12 | 37281826b63 |
13 | 18052b83490 |
14 | ab1990d147 |
15 | 5c046bcba6 |
hex | 33ed28c0fb |
223022203131 has 32 divisors (see below), whose sum is σ = 366749429760. Its totient is φ = 117392425344.
The previous prime is 223022203123. The next prime is 223022203169. The reversal of 223022203131 is 131302220322.
It is a happy number.
It is not a de Polignac number, because 223022203131 - 23 = 223022203123 is a prime.
It is a super-2 number, since 2×2230222031312 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 223022203098 and 223022203107.
It is not an unprimeable number, because it can be changed into a prime (223022203031) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 721980 + ... + 983513.
It is an arithmetic number, because the mean of its divisors is an integer number (11460919680).
Almost surely, 2223022203131 is an apocalyptic number.
223022203131 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
223022203131 is a deficient number, since it is larger than the sum of its proper divisors (143727226629).
223022203131 is a wasteful number, since it uses less digits than its factorization.
223022203131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1705995.
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 223022203131 its reverse (131302220322), we get a palindrome (354324423453).
The spelling of 223022203131 in words is "two hundred twenty-three billion, twenty-two million, two hundred three thousand, one hundred thirty-one".
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