Base | Representation |
---|---|
bin | 11100001110110100… |
… | …001001011010001011 |
3 | 2220020120212022112012 |
4 | 130032310021122023 |
5 | 444040202301443 |
6 | 21531543410135 |
7 | 2122122662300 |
oct | 341664113213 |
9 | 86216768465 |
10 | 30313322123 |
11 | 11946097637 |
12 | 5a5ba5394b |
13 | 2b212788c6 |
14 | 1677cc90a7 |
15 | bc63ba118 |
hex | 70ed0968b |
30313322123 has 6 divisors (see below), whose sum is σ = 35262435996. Its totient is φ = 25982847492.
The previous prime is 30313322113. The next prime is 30313322153. The reversal of 30313322123 is 32122331303.
It is not a de Polignac number, because 30313322123 - 24 = 30313322107 is a prime.
It is a super-2 number, since 2×303133221232 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30313322113) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 309319565 + ... + 309319662.
It is an arithmetic number, because the mean of its divisors is an integer number (5877072666).
Almost surely, 230313322123 is an apocalyptic number.
30313322123 is a deficient number, since it is larger than the sum of its proper divisors (4949113873).
30313322123 is an equidigital number, since it uses as much as digits as its factorization.
30313322123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 618639241 (or 618639234 counting only the distinct ones).
The product of its (nonzero) digits is 1944, while the sum is 23.
Adding to 30313322123 its reverse (32122331303), we get a palindrome (62435653426).
The spelling of 30313322123 in words is "thirty billion, three hundred thirteen million, three hundred twenty-two thousand, one hundred twenty-three".
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