Base | Representation |
---|---|
bin | 11101101110100100000… |
… | …10110110000100000001 |
3 | 10121122111022000201002111 |
4 | 32313102002312010001 |
5 | 113213342342211431 |
6 | 2101123343415321 |
7 | 133540006014361 |
oct | 16672202660401 |
9 | 3548438021074 |
10 | 1021431210241 |
11 | 3642063203a2 |
12 | 145b632b4541 |
13 | 7542232ba30 |
14 | 3761a8469a1 |
15 | 1b882e8e7b1 |
hex | edd20b6101 |
1021431210241 has 16 divisors (see below), whose sum is σ = 1108491265728. Its totient is φ = 935584977600.
The previous prime is 1021431210211. The next prime is 1021431210269. The reversal of 1021431210241 is 1420121341201.
It is not a de Polignac number, because 1021431210241 - 27 = 1021431210113 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1021431210211) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36108195 + ... + 36136471.
It is an arithmetic number, because the mean of its divisors is an integer number (69280704108).
Almost surely, 21021431210241 is an apocalyptic number.
It is an amenable number.
1021431210241 is a deficient number, since it is larger than the sum of its proper divisors (87060055487).
1021431210241 is a wasteful number, since it uses less digits than its factorization.
1021431210241 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 49632.
The product of its (nonzero) digits is 384, while the sum is 22.
Adding to 1021431210241 its reverse (1420121341201), we get a palindrome (2441552551442).
The spelling of 1021431210241 in words is "one trillion, twenty-one billion, four hundred thirty-one million, two hundred ten thousand, two hundred forty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •