Base | Representation |
---|---|
bin | 10010110100001010… |
… | …00100110010110111 |
3 | 222001222012212011112 |
4 | 21122011010302313 |
5 | 131141402330031 |
6 | 4350200025235 |
7 | 505213622432 |
oct | 113205046267 |
9 | 28058185145 |
10 | 10101214391 |
11 | 4313965974 |
12 | 1b5aa6221b |
13 | c4c967948 |
14 | 6bb78c819 |
15 | 3e1c0262b |
hex | 25a144cb7 |
10101214391 has 2 divisors, whose sum is σ = 10101214392. Its totient is φ = 10101214390.
The previous prime is 10101214369. The next prime is 10101214423. The reversal of 10101214391 is 19341210101.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 10101214391 - 226 = 10034105527 is a prime.
It is a Sophie Germain prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (10101210391) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5050607195 + 5050607196.
It is an arithmetic number, because the mean of its divisors is an integer number (5050607196).
Almost surely, 210101214391 is an apocalyptic number.
10101214391 is a deficient number, since it is larger than the sum of its proper divisors (1).
10101214391 is an equidigital number, since it uses as much as digits as its factorization.
10101214391 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 216, while the sum is 23.
Adding to 10101214391 its reverse (19341210101), we get a palindrome (29442424492).
The spelling of 10101214391 in words is "ten billion, one hundred one million, two hundred fourteen thousand, three hundred ninety-one".
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