Base | Representation |
---|---|
bin | 1101110110110… |
… | …1101110101011 |
3 | 11001100212012111 |
4 | 3131231232223 |
5 | 104334334011 |
6 | 5433423151 |
7 | 1304010235 |
oct | 335555653 |
9 | 131325174 |
10 | 58121131 |
11 | 2a8982a2 |
12 | 1756aab7 |
13 | c06ca03 |
14 | 7a0d255 |
15 | 5181121 |
hex | 376dbab |
58121131 has 2 divisors, whose sum is σ = 58121132. Its totient is φ = 58121130.
The previous prime is 58121123. The next prime is 58121137. The reversal of 58121131 is 13112185.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 58121131 - 23 = 58121123 is a prime.
It is a super-2 number, since 2×581211312 = 6756131737438322, which contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (58121137) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29060565 + 29060566.
It is an arithmetic number, because the mean of its divisors is an integer number (29060566).
Almost surely, 258121131 is an apocalyptic number.
58121131 is a deficient number, since it is larger than the sum of its proper divisors (1).
58121131 is an equidigital number, since it uses as much as digits as its factorization.
58121131 is an evil number, because the sum of its binary digits is even.
The product of its digits is 240, while the sum is 22.
The square root of 58121131 is about 7623.7215977500. The cubic root of 58121131 is about 387.3569497646.
It can be divided in two parts, 581 and 21131, that added together give a palindrome (21712).
The spelling of 58121131 in words is "fifty-eight million, one hundred twenty-one thousand, one hundred thirty-one".
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