Base | Representation |
---|---|
bin | 10111101010001000… |
… | …11011110110000111 |
3 | 1012210012010211012210 |
4 | 23311010123312013 |
5 | 202003041441033 |
6 | 5500205314503 |
7 | 626520045252 |
oct | 136504336607 |
9 | 35705124183 |
10 | 12701515143 |
11 | 5428746359 |
12 | 2565865a33 |
13 | 12755b4745 |
14 | 886c6c099 |
15 | 4e5141d63 |
hex | 2f511bd87 |
12701515143 has 32 divisors (see below), whose sum is σ = 18168883200. Its totient is φ = 7869492576.
The previous prime is 12701515129. The next prime is 12701515171. The reversal of 12701515143 is 34151510721.
It is not a de Polignac number, because 12701515143 - 214 = 12701498759 is a prime.
It is a super-2 number, since 2×127015151432 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 12701515143.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12701515843) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 618088 + ... + 638306.
It is an arithmetic number, because the mean of its divisors is an integer number (567777600).
Almost surely, 212701515143 is an apocalyptic number.
12701515143 is a deficient number, since it is larger than the sum of its proper divisors (5467368057).
12701515143 is a wasteful number, since it uses less digits than its factorization.
12701515143 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20451.
The product of its (nonzero) digits is 4200, while the sum is 30.
The spelling of 12701515143 in words is "twelve billion, seven hundred one million, five hundred fifteen thousand, one hundred forty-three".
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