Base | Representation |
---|---|
bin | 10110110101001101… |
… | …10001100010111001 |
3 | 1011122020201010221222 |
4 | 23122212301202321 |
5 | 200100412011324 |
6 | 5344145241425 |
7 | 612516206105 |
oct | 133246614271 |
9 | 34566633858 |
10 | 12257532089 |
11 | 522006a310 |
12 | 2461033275 |
13 | 120461368a |
14 | 843cd8905 |
15 | 4bb19155e |
hex | 2da9b18b9 |
12257532089 has 32 divisors (see below), whose sum is σ = 13748465280. Its totient is φ = 10834560000.
The previous prime is 12257532061. The next prime is 12257532103. The reversal of 12257532089 is 98023575221.
It is not a de Polignac number, because 12257532089 - 28 = 12257531833 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (12257532019) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37031654 + ... + 37031984.
It is an arithmetic number, because the mean of its divisors is an integer number (429639540).
Almost surely, 212257532089 is an apocalyptic number.
It is an amenable number.
12257532089 is a deficient number, since it is larger than the sum of its proper divisors (1490933191).
12257532089 is a wasteful number, since it uses less digits than its factorization.
12257532089 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 873.
The product of its (nonzero) digits is 302400, while the sum is 44.
The spelling of 12257532089 in words is "twelve billion, two hundred fifty-seven million, five hundred thirty-two thousand, eighty-nine".
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