Base | Representation |
---|---|
bin | 10110011100101111… |
… | …01011111101011001 |
3 | 1011002221102202111120 |
4 | 23032113223331121 |
5 | 144140334003312 |
6 | 5311533315453 |
7 | 604444303302 |
oct | 131627537531 |
9 | 34087382446 |
10 | 12052250457 |
11 | 51251aa175 |
12 | 2404335b89 |
13 | 11a0c2a360 |
14 | 82493d7a9 |
15 | 4a814228c |
hex | 2ce5ebf59 |
12052250457 has 8 divisors (see below), whose sum is σ = 17305795584. Its totient is φ = 7416769488.
The previous prime is 12052250443. The next prime is 12052250459. The reversal of 12052250457 is 75405225021.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 12052250457 - 26 = 12052250393 is a prime.
It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (12052250459) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154515993 + ... + 154516070.
It is an arithmetic number, because the mean of its divisors is an integer number (2163224448).
Almost surely, 212052250457 is an apocalyptic number.
It is an amenable number.
12052250457 is a deficient number, since it is larger than the sum of its proper divisors (5253545127).
12052250457 is a wasteful number, since it uses less digits than its factorization.
12052250457 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 309032079.
The product of its (nonzero) digits is 28000, while the sum is 33.
Adding to 12052250457 its reverse (75405225021), we get a palindrome (87457475478).
The spelling of 12052250457 in words is "twelve billion, fifty-two million, two hundred fifty thousand, four hundred fifty-seven".
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