Base | Representation |
---|---|
bin | 110000100001110000… |
… | …010001110001101111 |
3 | 11222111100110112222122 |
4 | 300201300101301233 |
5 | 1323203103131112 |
6 | 35534230303155 |
7 | 3523142640104 |
oct | 604160216157 |
9 | 158440415878 |
10 | 52105911407 |
11 | 20109479500 |
12 | a1221b7abb |
13 | 4bb514a454 |
14 | 27442b8aab |
15 | 154e6c8872 |
hex | c21c11c6f |
52105911407 has 18 divisors (see below), whose sum is σ = 59777404344. Its totient is φ = 45299016840.
The previous prime is 52105911401. The next prime is 52105911439. The reversal of 52105911407 is 70411950125.
It is a happy number.
It is not a de Polignac number, because 52105911407 - 218 = 52105649263 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52105911401) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12039878 + ... + 12044204.
It is an arithmetic number, because the mean of its divisors is an integer number (3320966908).
Almost surely, 252105911407 is an apocalyptic number.
52105911407 is a deficient number, since it is larger than the sum of its proper divisors (7671492937).
52105911407 is an frugal number, since it uses more digits than its factorization.
52105911407 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8699 (or 4361 counting only the distinct ones).
The product of its (nonzero) digits is 12600, while the sum is 35.
The spelling of 52105911407 in words is "fifty-two billion, one hundred five million, nine hundred eleven thousand, four hundred seven".
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