Base | Representation |
---|---|
bin | 10111001011101001… |
… | …10000001110110101 |
3 | 1012010100212102001022 |
4 | 23211310300032311 |
5 | 200442102333401 |
6 | 5414551310525 |
7 | 620263045025 |
oct | 134564601665 |
9 | 35110772038 |
10 | 12445746101 |
11 | 5307332288 |
12 | 24b407b445 |
13 | 1234602209 |
14 | 860ccda85 |
15 | 4cc96d71b |
hex | 2e5d303b5 |
12445746101 has 2 divisors, whose sum is σ = 12445746102. Its totient is φ = 12445746100.
The previous prime is 12445745929. The next prime is 12445746107. The reversal of 12445746101 is 10164754421.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 11025210001 + 1420536100 = 105001^2 + 37690^2 .
It is an emirp because it is prime and its reverse (10164754421) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 12445746101 - 230 = 11372004277 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (12445746107) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6222873050 + 6222873051.
It is an arithmetic number, because the mean of its divisors is an integer number (6222873051).
Almost surely, 212445746101 is an apocalyptic number.
It is an amenable number.
12445746101 is a deficient number, since it is larger than the sum of its proper divisors (1).
12445746101 is an equidigital number, since it uses as much as digits as its factorization.
12445746101 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 26880, while the sum is 35.
The spelling of 12445746101 in words is "twelve billion, four hundred forty-five million, seven hundred forty-six thousand, one hundred one".
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