Base | Representation |
---|---|
bin | 11100100110010101… |
… | …011001110011110111 |
3 | 2221021002100202121002 |
4 | 130212111121303313 |
5 | 1000342211303043 |
6 | 22035041113515 |
7 | 2134653656651 |
oct | 344625316367 |
9 | 87232322532 |
10 | 30707916023 |
11 | 120288aa8a4 |
12 | 5b5002889b |
13 | 2b84c46615 |
14 | 16b44836d1 |
15 | bead61bb8 |
hex | 726559cf7 |
30707916023 has 4 divisors (see below), whose sum is σ = 30839709888. Its totient is φ = 30576122160.
The previous prime is 30707916013. The next prime is 30707916059. The reversal of 30707916023 is 32061970703.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32061970703 = 7 ⋅4580281529.
It is a cyclic number.
It is not a de Polignac number, because 30707916023 - 24 = 30707916007 is a prime.
It is a super-2 number, since 2×307079160232 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30707916013) 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, 65896583 + ... + 65897048.
It is an arithmetic number, because the mean of its divisors is an integer number (7709927472).
Almost surely, 230707916023 is an apocalyptic number.
30707916023 is a deficient number, since it is larger than the sum of its proper divisors (131793865).
30707916023 is a wasteful number, since it uses less digits than its factorization.
30707916023 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 131793864.
The product of its (nonzero) digits is 47628, while the sum is 38.
The spelling of 30707916023 in words is "thirty billion, seven hundred seven million, nine hundred sixteen thousand, twenty-three".
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