Base | Representation |
---|---|
bin | 101110101011101110000010… |
… | …000101111011110110010111 |
3 | 222220221212121210222011220022 |
4 | 232223232002011323312113 |
5 | 203402333101041312011 |
6 | 2004400103043255355 |
7 | 61150324546123655 |
oct | 5653560205736627 |
9 | 886855553864808 |
10 | 205314504244631 |
11 | 5a468435120841 |
12 | 1b03b3b007a55b |
13 | 8a740c80a0a02 |
14 | 389b3bc963dd5 |
15 | 18b0a7c4a88db |
hex | babb8217bd97 |
205314504244631 has 8 divisors (see below), whose sum is σ = 205435698975360. Its totient is φ = 205193328171832.
The previous prime is 205314504244621. The next prime is 205314504244639. The reversal of 205314504244631 is 136442405413502.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 205314504244631 - 218 = 205314503982487 is a prime.
It is a super-2 number, since 2×2053145042446312 (a number of 29 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (205314504244639) 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, 17381030 + ... + 26696988.
It is an arithmetic number, because the mean of its divisors is an integer number (25679462371920).
Almost surely, 2205314504244631 is an apocalyptic number.
205314504244631 is a deficient number, since it is larger than the sum of its proper divisors (121194730729).
205314504244631 is a wasteful number, since it uses less digits than its factorization.
205314504244631 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9328965.
The product of its (nonzero) digits is 1382400, while the sum is 44.
The spelling of 205314504244631 in words is "two hundred five trillion, three hundred fourteen billion, five hundred four million, two hundred forty-four thousand, six hundred thirty-one".
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