Base | Representation |
---|---|
bin | 1101001000110110101… |
… | …01010010000101011100 |
3 | 1121011012221102200011220 |
4 | 12210123111102011130 |
5 | 24344012103130022 |
6 | 543214550213340 |
7 | 44420600536011 |
oct | 6443325220534 |
9 | 1534187380156 |
10 | 451430130012 |
11 | 1644a55a3284 |
12 | 735a7054250 |
13 | 33753778a34 |
14 | 17bc6809708 |
15 | bb21ad585c |
hex | 691b55215c |
451430130012 has 12 divisors (see below), whose sum is σ = 1053336970056. Its totient is φ = 150476710000.
The previous prime is 451430129987. The next prime is 451430130017. The reversal of 451430130012 is 210031034154.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (12).
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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18809588739 + ... + 18809588762.
It is an arithmetic number, because the mean of its divisors is an integer number (87778080838).
Almost surely, 2451430130012 is an apocalyptic number.
It is an amenable number.
451430130012 is an abundant number, since it is smaller than the sum of its proper divisors (601906840044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
451430130012 is a wasteful number, since it uses less digits than its factorization.
451430130012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37619177508 (or 37619177506 counting only the distinct ones).
The product of its (nonzero) digits is 1440, while the sum is 24.
Adding to 451430130012 its reverse (210031034154), we get a palindrome (661461164166).
The spelling of 451430130012 in words is "four hundred fifty-one billion, four hundred thirty million, one hundred thirty thousand, twelve".
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