Base | Representation |
---|---|
bin | 11110010110101011110… |
… | …00011110110011101001 |
3 | 10200201002101212220002200 |
4 | 33023111320132303221 |
5 | 114042000413021024 |
6 | 2115044540050413 |
7 | 135231531312351 |
oct | 17132570366351 |
9 | 3621071786080 |
10 | 1042970438889 |
11 | 372359693705 |
12 | 14a174833a09 |
13 | 77475882342 |
14 | 386a1323b61 |
15 | 1c1e3e032c9 |
hex | f2d5e1ece9 |
1042970438889 has 24 divisors (see below), whose sum is σ = 1523690385672. Its totient is φ = 687406003200.
The previous prime is 1042970438869. The next prime is 1042970438899. The reversal of 1042970438889 is 9888340792401.
1042970438889 is a `hidden beast` number, since 10 + 42 + 9 + 70 + 438 + 8 + 89 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 432579813264 + 610390625625 = 657708^2 + 781275^2 .
It is not a de Polignac number, because 1042970438889 - 25 = 1042970438857 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1042970438869) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 240682 + ... + 1464195.
It is an arithmetic number, because the mean of its divisors is an integer number (63487099403).
Almost surely, 21042970438889 is an apocalyptic number.
It is an amenable number.
1042970438889 is a deficient number, since it is larger than the sum of its proper divisors (480719946783).
1042970438889 is a wasteful number, since it uses less digits than its factorization.
1042970438889 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1705657 (or 1705654 counting only the distinct ones).
The product of its (nonzero) digits is 27869184, while the sum is 63.
The spelling of 1042970438889 in words is "one trillion, forty-two billion, nine hundred seventy million, four hundred thirty-eight thousand, eight hundred eighty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.078 sec. • engine limits •