Base | Representation |
---|---|
bin | 11100100001000110… |
… | …101001000111000011 |
3 | 2221000222020022120201 |
4 | 130201012221013003 |
5 | 1000202230113301 |
6 | 22022224150031 |
7 | 2132540032546 |
oct | 344106510703 |
9 | 87028208521 |
10 | 30620160451 |
11 | 11a93311831 |
12 | 5b26768317 |
13 | 2b6c9cc14a |
14 | 16a695c85d |
15 | be32ca201 |
hex | 7211a91c3 |
30620160451 has 4 divisors (see below), whose sum is σ = 30643341304. Its totient is φ = 30596979600.
The previous prime is 30620160359. The next prime is 30620160463. The reversal of 30620160451 is 15406102603.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15406102603 = 79 ⋅195013957.
It is a cyclic number.
It is not a de Polignac number, because 30620160451 - 29 = 30620159939 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30620160491) 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, 11588445 + ... + 11591086.
It is an arithmetic number, because the mean of its divisors is an integer number (7660835326).
Almost surely, 230620160451 is an apocalyptic number.
30620160451 is a deficient number, since it is larger than the sum of its proper divisors (23180853).
30620160451 is a wasteful number, since it uses less digits than its factorization.
30620160451 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23180852.
The product of its (nonzero) digits is 4320, while the sum is 28.
The spelling of 30620160451 in words is "thirty billion, six hundred twenty million, one hundred sixty thousand, four hundred fifty-one".
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