Base | Representation |
---|---|
bin | 1101001000110110101… |
… | …01010010000101011101 |
3 | 1121011012221102200011221 |
4 | 12210123111102011131 |
5 | 24344012103130023 |
6 | 543214550213341 |
7 | 44420600536012 |
oct | 6443325220535 |
9 | 1534187380157 |
10 | 451430130013 |
11 | 1644a55a3285 |
12 | 735a7054251 |
13 | 33753778a35 |
14 | 17bc6809709 |
15 | bb21ad585d |
hex | 691b55215d |
451430130013 has 4 divisors (see below), whose sum is σ = 475189610560. Its totient is φ = 427670649468.
The previous prime is 451430129987. The next prime is 451430130017. The reversal of 451430130013 is 310031034154.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-451430130013 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 451430130013.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (451430130017) 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 3 ways as a sum of consecutive naturals, for example, 11879740245 + ... + 11879740282.
It is an arithmetic number, because the mean of its divisors is an integer number (118797402640).
Almost surely, 2451430130013 is an apocalyptic number.
It is an amenable number.
451430130013 is a deficient number, since it is larger than the sum of its proper divisors (23759480547).
451430130013 is a wasteful number, since it uses less digits than its factorization.
451430130013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23759480546.
The product of its (nonzero) digits is 2160, while the sum is 25.
Adding to 451430130013 its reverse (310031034154), we get a palindrome (761461164167).
The spelling of 451430130013 in words is "four hundred fifty-one billion, four hundred thirty million, one hundred thirty thousand, thirteen".
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