Base | Representation |
---|---|
bin | 11000001010110000010… |
… | …10101111101001100001 |
3 | 2221101102112222002121201 |
4 | 30011120022233221201 |
5 | 102101133410242440 |
6 | 1433252323121201 |
7 | 113665165453654 |
oct | 14053012575141 |
9 | 2841375862551 |
10 | 830407899745 |
11 | 2a01a0679956 |
12 | 114b31b13201 |
13 | 603cb9ba968 |
14 | 2c298a2d89b |
15 | 16902b4019a |
hex | c1582afa61 |
830407899745 has 8 divisors (see below), whose sum is σ = 996503025960. Its totient is φ = 664317288960.
The previous prime is 830407899709. The next prime is 830407899767. The reversal of 830407899745 is 547998704038.
It can be written as a sum of positive squares in 4 ways, for example, as 431733100096 + 398674799649 = 657064^2 + 631407^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 830407899745 - 213 = 830407891553 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 710146 + ... + 1471435.
It is an arithmetic number, because the mean of its divisors is an integer number (124562878245).
Almost surely, 2830407899745 is an apocalyptic number.
It is an amenable number.
830407899745 is a deficient number, since it is larger than the sum of its proper divisors (166095126215).
830407899745 is a wasteful number, since it uses less digits than its factorization.
830407899745 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2257715.
The product of its (nonzero) digits is 60963840, while the sum is 64.
The spelling of 830407899745 in words is "eight hundred thirty billion, four hundred seven million, eight hundred ninety-nine thousand, seven hundred forty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •