Base | Representation |
---|---|
bin | 11101101100000101100… |
… | …00100100111000101111 |
3 | 10121112001121001002210212 |
4 | 32312002300210320233 |
5 | 113203131330134411 |
6 | 2100343345053035 |
7 | 133462024420325 |
oct | 16660260447057 |
9 | 3545047032725 |
10 | 1020101021231 |
11 | 363693483736 |
12 | 14585192717b |
13 | 7526c883a46 |
14 | 37531d07d15 |
15 | 1b8062d968b |
hex | ed82c24e2f |
1020101021231 has 2 divisors, whose sum is σ = 1020101021232. Its totient is φ = 1020101021230.
The previous prime is 1020101021197. The next prime is 1020101021237. The reversal of 1020101021231 is 1321201010201.
1020101021231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1020101021231 - 214 = 1020101004847 is a prime.
It is a super-2 number, since 2×10201010212312 (a number of 25 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1020101021237) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510050510615 + 510050510616.
It is an arithmetic number, because the mean of its divisors is an integer number (510050510616).
Almost surely, 21020101021231 is an apocalyptic number.
1020101021231 is a deficient number, since it is larger than the sum of its proper divisors (1).
1020101021231 is an equidigital number, since it uses as much as digits as its factorization.
1020101021231 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 24, while the sum is 14.
Adding to 1020101021231 its reverse (1321201010201), we get a palindrome (2341302031432).
The spelling of 1020101021231 in words is "one trillion, twenty billion, one hundred one million, twenty-one thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •