Base | Representation |
---|---|
bin | 11101010001111010101… |
… | …000110011000111101111 |
3 | 21010100120212021211010020 |
4 | 131101322220303013233 |
5 | 230431241131210111 |
6 | 4140202541213223 |
7 | 265240524410154 |
oct | 35217250630757 |
9 | 7110525254106 |
10 | 2012102210031 |
11 | 706367273361 |
12 | 285b60b61213 |
13 | 1179819345b4 |
14 | 6d559cb622b |
15 | 375156dc906 |
hex | 1d47aa331ef |
2012102210031 has 4 divisors (see below), whose sum is σ = 2682802946712. Its totient is φ = 1341401473352.
The previous prime is 2012102210011. The next prime is 2012102210077. The reversal of 2012102210031 is 1300122012102.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 2012102210031 - 26 = 2012102209967 is a prime.
It is a super-2 number, since 2×20121022100312 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2012102210011) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335350368336 + ... + 335350368341.
It is an arithmetic number, because the mean of its divisors is an integer number (670700736678).
Almost surely, 22012102210031 is an apocalyptic number.
2012102210031 is a deficient number, since it is larger than the sum of its proper divisors (670700736681).
2012102210031 is an equidigital number, since it uses as much as digits as its factorization.
2012102210031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 670700736680.
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 2012102210031 its reverse (1300122012102), we get a palindrome (3312224222133).
The spelling of 2012102210031 in words is "two trillion, twelve billion, one hundred two million, two hundred ten thousand, thirty-one".
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