Base | Representation |
---|---|
bin | 10111101100011101010111… |
… | …11000111101011100000111 |
3 | 20211111012110020121022202111 |
4 | 23312032223320331130013 |
5 | 23312142302304302211 |
6 | 302452433420121451 |
7 | 13655320514153311 |
oct | 1366165370753407 |
9 | 224435406538674 |
10 | 52105132103431 |
11 | 15669731770270 |
12 | 5a163a7396287 |
13 | 230c653ac9674 |
14 | cc1c8a9667b1 |
15 | 6055926c5421 |
hex | 2f63abe3d707 |
52105132103431 has 4 divisors (see below), whose sum is σ = 56841962294664. Its totient is φ = 47368301912200.
The previous prime is 52105132103393. The next prime is 52105132103491. The reversal of 52105132103431 is 13430123150125.
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 52105132103431 - 27 = 52105132103303 is a prime.
It is a super-2 number, since 2×521051321034312 (a number of 28 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 52105132103393 and 52105132103402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52105132103491) 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, 2368415095600 + ... + 2368415095621.
It is an arithmetic number, because the mean of its divisors is an integer number (14210490573666).
Almost surely, 252105132103431 is an apocalyptic number.
52105132103431 is a deficient number, since it is larger than the sum of its proper divisors (4736830191233).
52105132103431 is a wasteful number, since it uses less digits than its factorization.
52105132103431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4736830191232.
The product of its (nonzero) digits is 10800, while the sum is 31.
Adding to 52105132103431 its reverse (13430123150125), we get a palindrome (65535255253556).
The spelling of 52105132103431 in words is "fifty-two trillion, one hundred five billion, one hundred thirty-two million, one hundred three thousand, four hundred thirty-one".
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