Base | Representation |
---|---|
bin | 10110100111111000… |
… | …10100010000000001 |
3 | 1011100110100110100001 |
4 | 23103330110100001 |
5 | 144333302120003 |
6 | 5325113200001 |
7 | 606661035031 |
oct | 132374242001 |
9 | 34313313301 |
10 | 12145738753 |
11 | 5172a53325 |
12 | 242b700001 |
13 | 11b7400c85 |
14 | 8331178c1 |
15 | 4b145c61d |
hex | 2d3f14401 |
12145738753 has 16 divisors (see below), whose sum is σ = 12433322880. Its totient is φ = 11861740800.
The previous prime is 12145738747. The next prime is 12145738811. The reversal of 12145738753 is 35783754121.
It is a cyclic number.
It is not a de Polignac number, because 12145738753 - 25 = 12145738721 is a prime.
It is a super-2 number, since 2×121457387532 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12145708753) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8156233 + ... + 8157721.
It is an arithmetic number, because the mean of its divisors is an integer number (777082680).
Almost surely, 212145738753 is an apocalyptic number.
It is an amenable number.
12145738753 is a deficient number, since it is larger than the sum of its proper divisors (287584127).
12145738753 is a wasteful number, since it uses less digits than its factorization.
12145738753 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2568.
The product of its digits is 705600, while the sum is 46.
The spelling of 12145738753 in words is "twelve billion, one hundred forty-five million, seven hundred thirty-eight thousand, seven hundred fifty-three".
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