Base | Representation |
---|---|
bin | 11100010111110111… |
… | …101100010101001010 |
3 | 2220122011201212122101 |
4 | 130113313230111022 |
5 | 444343100342123 |
6 | 21555011544014 |
7 | 2125646215516 |
oct | 342767542512 |
9 | 86564655571 |
10 | 30465246538 |
11 | 11a13923701 |
12 | 5aa28bb00a |
13 | 2b4689c6cc |
14 | 1690155146 |
15 | bd48c9aad |
hex | 717dec54a |
30465246538 has 4 divisors (see below), whose sum is σ = 45697869810. Its totient is φ = 15232623268.
The previous prime is 30465246533. The next prime is 30465246541. The reversal of 30465246538 is 83564256403.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 28909180729 + 1556065809 = 170027^2 + 39447^2 .
It is a super-2 number, since 2×304652465382 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30465246533) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7616311633 + ... + 7616311636.
Almost surely, 230465246538 is an apocalyptic number.
30465246538 is a deficient number, since it is larger than the sum of its proper divisors (15232623272).
30465246538 is a wasteful number, since it uses less digits than its factorization.
30465246538 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15232623271.
The product of its (nonzero) digits is 2073600, while the sum is 46.
The spelling of 30465246538 in words is "thirty billion, four hundred sixty-five million, two hundred forty-six thousand, five hundred thirty-eight".
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