Base | Representation |
---|---|
bin | 1001000101100011100… |
… | …01101000011011111110 |
3 | 1002211220011102200120111 |
4 | 10202301301220123332 |
5 | 20103411334120410 |
6 | 355233150540234 |
7 | 31362052052326 |
oct | 4426161503376 |
9 | 1084804380514 |
10 | 312220223230 |
11 | 1104591a3943 |
12 | 50615b0767a |
13 | 235997ab626 |
14 | 1117c0c8286 |
15 | 81c5430b8a |
hex | 48b1c686fe |
312220223230 has 8 divisors (see below), whose sum is σ = 561996401832. Its totient is φ = 124888089288.
The previous prime is 312220223191. The next prime is 312220223233. The reversal of 312220223230 is 32322022213.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312220223233) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15611011152 + ... + 15611011171.
It is an arithmetic number, because the mean of its divisors is an integer number (70249550229).
Almost surely, 2312220223230 is an apocalyptic number.
312220223230 is a deficient number, since it is larger than the sum of its proper divisors (249776178602).
312220223230 is a wasteful number, since it uses less digits than its factorization.
312220223230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 31222022330.
The product of its (nonzero) digits is 1728, while the sum is 22.
Adding to 312220223230 its reverse (32322022213), we get a palindrome (344542245443).
The spelling of 312220223230 in words is "three hundred twelve billion, two hundred twenty million, two hundred twenty-three thousand, two hundred thirty".
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