Base | Representation |
---|---|
bin | 11000010001010110… |
… | …00111101110011011 |
3 | 1020122010001002120222 |
4 | 30020223013232123 |
5 | 203141242022301 |
6 | 5552555110255 |
7 | 640622525513 |
oct | 141053075633 |
9 | 36563032528 |
10 | 13030423451 |
11 | 5587375001 |
12 | 2637a4238b |
13 | 12c8794646 |
14 | 8b8808843 |
15 | 513e6131b |
hex | 308ac7b9b |
13030423451 has 4 divisors (see below), whose sum is σ = 13195365600. Its totient is φ = 12865481304.
The previous prime is 13030423391. The next prime is 13030423481. The reversal of 13030423451 is 15432403031.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 13030423451 - 26 = 13030423387 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 13030423451.
It is not an unprimeable number, because it can be changed into a prime (13030423481) 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, 82470956 + ... + 82471113.
It is an arithmetic number, because the mean of its divisors is an integer number (3298841400).
Almost surely, 213030423451 is an apocalyptic number.
13030423451 is a deficient number, since it is larger than the sum of its proper divisors (164942149).
13030423451 is an equidigital number, since it uses as much as digits as its factorization.
13030423451 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 164942148.
The product of its (nonzero) digits is 4320, while the sum is 26.
Adding to 13030423451 its reverse (15432403031), we get a palindrome (28462826482).
The spelling of 13030423451 in words is "thirteen billion, thirty million, four hundred twenty-three thousand, four hundred fifty-one".
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