Base | Representation |
---|---|
bin | 11101011001010010100… |
… | …10011011010101100101 |
3 | 10120120000100000200002111 |
4 | 32230221102123111211 |
5 | 113022000030322411 |
6 | 2051554151441021 |
7 | 132653663304346 |
oct | 16545122332545 |
9 | 3516010020074 |
10 | 1010010010981 |
11 | 35a385358344 |
12 | 1438b6386171 |
13 | 7432207c86a |
14 | 36c55a540cd |
15 | 1b415450721 |
hex | eb2949b565 |
1010010010981 has 2 divisors, whose sum is σ = 1010010010982. Its totient is φ = 1010010010980.
The previous prime is 1010010010969. The next prime is 1010010010987. The reversal of 1010010010981 is 1890100100101.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 753842434081 + 256167576900 = 868241^2 + 506130^2 .
It is a cyclic number.
It is not a de Polignac number, because 1010010010981 - 229 = 1009473140069 is a prime.
It is a super-2 number, since 2×10100100109812 (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 (1010010010987) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505005005490 + 505005005491.
It is an arithmetic number, because the mean of its divisors is an integer number (505005005491).
Almost surely, 21010010010981 is an apocalyptic number.
It is an amenable number.
1010010010981 is a deficient number, since it is larger than the sum of its proper divisors (1).
1010010010981 is an equidigital number, since it uses as much as digits as its factorization.
1010010010981 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 72, while the sum is 22.
The spelling of 1010010010981 in words is "one trillion, ten billion, ten million, ten thousand, nine hundred eighty-one".
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