Base | Representation |
---|---|
bin | 11100010110001001… |
… | …101111010010100011 |
3 | 2220120011111110221020 |
4 | 130112021233102203 |
5 | 444313211012234 |
6 | 21552102100523 |
7 | 2125146216405 |
oct | 342611572243 |
9 | 86504443836 |
10 | 30436422819 |
11 | 119a9626a50 |
12 | 5a9511a743 |
13 | 2b40919c5a |
14 | 168a3b0b75 |
15 | bd20d4549 |
hex | 71626f4a3 |
30436422819 has 8 divisors (see below), whose sum is σ = 44271160512. Its totient is φ = 18446316840.
The previous prime is 30436422817. The next prime is 30436422881. The reversal of 30436422819 is 91822463403.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 30436422819 - 21 = 30436422817 is a prime.
It is a super-2 number, since 2×304364228192 (a number of 22 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (30436422817) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 461157889 + ... + 461157954.
It is an arithmetic number, because the mean of its divisors is an integer number (5533895064).
Almost surely, 230436422819 is an apocalyptic number.
30436422819 is a deficient number, since it is larger than the sum of its proper divisors (13834737693).
30436422819 is a wasteful number, since it uses less digits than its factorization.
30436422819 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 922315857.
The product of its (nonzero) digits is 248832, while the sum is 42.
The spelling of 30436422819 in words is "thirty billion, four hundred thirty-six million, four hundred twenty-two thousand, eight hundred nineteen".
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