Base | Representation |
---|---|
bin | 11100110100011111… |
… | …000100101011011001 |
3 | 2221212122002201222210 |
4 | 130310133010223121 |
5 | 1001334001110204 |
6 | 22114401505333 |
7 | 2143565660421 |
oct | 346437045331 |
9 | 87778081883 |
10 | 30945331929 |
11 | 1213a918996 |
12 | 5bb7642249 |
13 | 2bc21a11c5 |
14 | 16d7c05481 |
15 | c11b0c389 |
hex | 7347c4ad9 |
30945331929 has 8 divisors (see below), whose sum is σ = 41278846752. Its totient is φ = 20621019200.
The previous prime is 30945331873. The next prime is 30945331973. The reversal of 30945331929 is 92913354903.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 30945331929 - 216 = 30945266393 is a prime.
It is a super-2 number, since 2×309453319292 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30945331129) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2292672 + ... + 2306129.
It is an arithmetic number, because the mean of its divisors is an integer number (5159855844).
Almost surely, 230945331929 is an apocalyptic number.
It is an amenable number.
30945331929 is a deficient number, since it is larger than the sum of its proper divisors (10333514823).
30945331929 is a wasteful number, since it uses less digits than its factorization.
30945331929 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4601047.
The product of its (nonzero) digits is 787320, while the sum is 48.
The spelling of 30945331929 in words is "thirty billion, nine hundred forty-five million, three hundred thirty-one thousand, nine hundred twenty-nine".
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