Base | Representation |
---|---|
bin | 11100000000100101… |
… | …000010010000011001 |
3 | 2212121221102212020100 |
4 | 130000211002100121 |
5 | 443043031322031 |
6 | 21452132250013 |
7 | 2113162600443 |
oct | 340045022031 |
9 | 85557385210 |
10 | 30074479641 |
11 | 11833294758 |
12 | 59b3a70909 |
13 | 2ab39418ab |
14 | 16542b5493 |
15 | bb043bde6 |
hex | 700942419 |
30074479641 has 6 divisors (see below), whose sum is σ = 43440915050. Its totient is φ = 20049653088.
The previous prime is 30074479607. The next prime is 30074479681. The reversal of 30074479641 is 14697447003.
It can be written as a sum of positive squares in only one way, i.e., 19162588041 + 10911891600 = 138429^2 + 104460^2 .
It is not a de Polignac number, because 30074479641 - 26 = 30074479577 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30074479681) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1670804416 + ... + 1670804433.
Almost surely, 230074479641 is an apocalyptic number.
It is an amenable number.
30074479641 is a deficient number, since it is larger than the sum of its proper divisors (13366435409).
30074479641 is a wasteful number, since it uses less digits than its factorization.
30074479641 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3341608855 (or 3341608852 counting only the distinct ones).
The product of its (nonzero) digits is 508032, while the sum is 45.
The spelling of 30074479641 in words is "thirty billion, seventy-four million, four hundred seventy-nine thousand, six hundred forty-one".
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