Base | Representation |
---|---|
bin | 1101011000110111011… |
… | …0011010111000011111 |
3 | 210222201000021011011121 |
4 | 3112031312122320133 |
5 | 12232031324320111 |
6 | 253355551231411 |
7 | 22421640155452 |
oct | 3261566327037 |
9 | 728630234147 |
10 | 230013120031 |
11 | 89603456532 |
12 | 386b2b18567 |
13 | 188c8328cb6 |
14 | b1c0183499 |
15 | 5eb32e0871 |
hex | 358dd9ae1f |
230013120031 has 4 divisors (see below), whose sum is σ = 232597537200. Its totient is φ = 227428702864.
The previous prime is 230013120023. The next prime is 230013120049. The reversal of 230013120031 is 130021310032.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 230013120031 - 23 = 230013120023 is a prime.
It is a super-2 number, since 2×2300131200312 (a number of 24 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 230013119987 and 230013120014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (230013120331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1292208451 + ... + 1292208628.
It is an arithmetic number, because the mean of its divisors is an integer number (58149384300).
Almost surely, 2230013120031 is an apocalyptic number.
230013120031 is a deficient number, since it is larger than the sum of its proper divisors (2584417169).
230013120031 is an equidigital number, since it uses as much as digits as its factorization.
230013120031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2584417168.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 230013120031 its reverse (130021310032), we get a palindrome (360034430063).
The spelling of 230013120031 in words is "two hundred thirty billion, thirteen million, one hundred twenty thousand, thirty-one".
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