Base | Representation |
---|---|
bin | 11100110011101110… |
… | …101100001100001111 |
3 | 2221211202020100220021 |
4 | 130303232230030033 |
5 | 1001322224224334 |
6 | 22113230003011 |
7 | 2143353114220 |
oct | 346356541417 |
9 | 87752210807 |
10 | 30932648719 |
11 | 121337458a5 |
12 | 5bb3346467 |
13 | 2bbc68024b |
14 | 16d6263247 |
15 | c109543b4 |
hex | 733bac30f |
30932648719 has 4 divisors (see below), whose sum is σ = 35351598544. Its totient is φ = 26513698896.
The previous prime is 30932648683. The next prime is 30932648731. The reversal of 30932648719 is 91784623903.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 91784623903 = 7 ⋅13112089129.
It is a cyclic number.
It is not a de Polignac number, because 30932648719 - 217 = 30932517647 is a prime.
It is a super-2 number, since 2×309326487192 (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 (30932648759) 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, 2209474902 + ... + 2209474915.
It is an arithmetic number, because the mean of its divisors is an integer number (8837899636).
Almost surely, 230932648719 is an apocalyptic number.
30932648719 is a deficient number, since it is larger than the sum of its proper divisors (4418949825).
30932648719 is an equidigital number, since it uses as much as digits as its factorization.
30932648719 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4418949824.
The product of its (nonzero) digits is 1959552, while the sum is 52.
The spelling of 30932648719 in words is "thirty billion, nine hundred thirty-two million, six hundred forty-eight thousand, seven hundred nineteen".
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