Base | Representation |
---|---|
bin | 10111001100100101… |
… | …10101000001111000 |
3 | 1012010220200221211020 |
4 | 23212102311001320 |
5 | 201001112130242 |
6 | 5415432302440 |
7 | 620420052252 |
oct | 134622650170 |
9 | 35126627736 |
10 | 12453630072 |
11 | 5310827664 |
12 | 24b6841a20 |
13 | 12361328a0 |
14 | 861d82cd2 |
15 | 4cd4c96ec |
hex | 2e64b5078 |
12453630072 has 64 divisors (see below), whose sum is σ = 34308785280. Its totient is φ = 3742768512.
The previous prime is 12453630067. The next prime is 12453630103. The reversal of 12453630072 is 27003635421.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 450718 + ... + 477549.
It is an arithmetic number, because the mean of its divisors is an integer number (536074770).
Almost surely, 212453630072 is an apocalyptic number.
12453630072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12453630072 is an abundant number, since it is smaller than the sum of its proper divisors (21855155208).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12453630072 is a wasteful number, since it uses less digits than its factorization.
12453630072 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 928332 (or 928328 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 33.
The spelling of 12453630072 in words is "twelve billion, four hundred fifty-three million, six hundred thirty thousand, seventy-two".
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