Base | Representation |
---|---|
bin | 1101000000010001100… |
… | …1101001110101101111 |
3 | 210100122222100021121000 |
4 | 3100010121221311233 |
5 | 12130022001230411 |
6 | 250344545211343 |
7 | 22066234541130 |
oct | 3200431516557 |
9 | 710588307530 |
10 | 223412133231 |
11 | 86826363441 |
12 | 37370330b53 |
13 | 180b58aa451 |
14 | ab55611c87 |
15 | 5c28a42956 |
hex | 3404669d6f |
223412133231 has 64 divisors (see below), whose sum is σ = 388884582400. Its totient is φ = 124086670848.
The previous prime is 223412133229. The next prime is 223412133277. The reversal of 223412133231 is 132331214322.
223412133231 is a `hidden beast` number, since 2 + 2 + 3 + 412 + 13 + 3 + 231 = 666.
223412133231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 223412133231 - 21 = 223412133229 is a prime.
It is a super-2 number, since 2×2234121332312 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 223412133195 and 223412133204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (223412137231) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7040106 + ... + 7071768.
It is an arithmetic number, because the mean of its divisors is an integer number (6076321600).
Almost surely, 2223412133231 is an apocalyptic number.
223412133231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
223412133231 is a deficient number, since it is larger than the sum of its proper divisors (165472449169).
223412133231 is a wasteful number, since it uses less digits than its factorization.
223412133231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 32725 (or 32719 counting only the distinct ones).
The product of its digits is 5184, while the sum is 27.
Adding to 223412133231 its reverse (132331214322), we get a palindrome (355743347553).
The spelling of 223412133231 in words is "two hundred twenty-three billion, four hundred twelve million, one hundred thirty-three thousand, two hundred thirty-one".
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