Base | Representation |
---|---|
bin | 10111001011101001… |
… | …10000001101001111 |
3 | 1012010100212101220112 |
4 | 23211310300031033 |
5 | 200442102332444 |
6 | 5414551310235 |
7 | 620263044521 |
oct | 134564601517 |
9 | 35110771815 |
10 | 12445745999 |
11 | 53073321a5 |
12 | 24b407b37b |
13 | 123460215b |
14 | 860ccda11 |
15 | 4cc96d69e |
hex | 2e5d3034f |
12445745999 has 8 divisors (see below), whose sum is σ = 12541746000. Its totient is φ = 12349838592.
The previous prime is 12445745929. The next prime is 12445746101. The reversal of 12445745999 is 99954754421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12445745999 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12445745929) 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, 259967 + ... + 304095.
It is an arithmetic number, because the mean of its divisors is an integer number (1567718250).
Almost surely, 212445745999 is an apocalyptic number.
12445745999 is a deficient number, since it is larger than the sum of its proper divisors (96000001).
12445745999 is a wasteful number, since it uses less digits than its factorization.
12445745999 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46297.
The product of its digits is 16329600, while the sum is 59.
The spelling of 12445745999 in words is "twelve billion, four hundred forty-five million, seven hundred forty-five thousand, nine hundred ninety-nine".
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