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451430130012 = 22337619177501
BaseRepresentation
bin1101001000110110101…
…01010010000101011100
31121011012221102200011220
412210123111102011130
524344012103130022
6543214550213340
744420600536011
oct6443325220534
91534187380156
10451430130012
111644a55a3284
12735a7054250
1333753778a34
1417bc6809708
15bb21ad585c
hex691b55215c

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".

Divisors: 1 2 3 4 6 12 37619177501 75238355002 112857532503 150476710004 225715065006 451430130012