Base | Representation |
---|---|
bin | 11100000010000110… |
… | …111001000100011011 |
3 | 2212200201201010211021 |
4 | 130002012321010123 |
5 | 443121113211443 |
6 | 21454450143311 |
7 | 2113623621145 |
oct | 340206710433 |
9 | 85621633737 |
10 | 30100132123 |
11 | 11846815856 |
12 | 5a00581b37 |
13 | 2ab9053a89 |
14 | 1657871c95 |
15 | bb28079ed |
hex | 7021b911b |
30100132123 has 2 divisors, whose sum is σ = 30100132124. Its totient is φ = 30100132122.
The previous prime is 30100132103. The next prime is 30100132157. The reversal of 30100132123 is 32123100103.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 30100132123 - 25 = 30100132091 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 30100132097 and 30100132106.
It is not a weakly prime, because it can be changed into another prime (30100132103) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15050066061 + 15050066062.
It is an arithmetic number, because the mean of its divisors is an integer number (15050066062).
Almost surely, 230100132123 is an apocalyptic number.
30100132123 is a deficient number, since it is larger than the sum of its proper divisors (1).
30100132123 is an equidigital number, since it uses as much as digits as its factorization.
30100132123 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 108, while the sum is 16.
Adding to 30100132123 its reverse (32123100103), we get a palindrome (62223232226).
The spelling of 30100132123 in words is "thirty billion, one hundred million, one hundred thirty-two thousand, one hundred twenty-three".
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