Base | Representation |
---|---|
bin | 100111011110110010… |
… | …110110011011010011 |
3 | 11001102102010002011010 |
4 | 213132302312123103 |
5 | 1143304444441442 |
6 | 31250324022003 |
7 | 3030345652062 |
oct | 473662663323 |
9 | 131372102133 |
10 | 42392577747 |
11 | 16a84561123 |
12 | 8271231903 |
13 | 3cc796ca40 |
14 | 20a22581d9 |
15 | 1181a93b9c |
hex | 9decb66d3 |
42392577747 has 16 divisors (see below), whose sum is σ = 61779925760. Its totient is φ = 25698369312.
The previous prime is 42392577727. The next prime is 42392577749. The reversal of 42392577747 is 74777529324.
It is not a de Polignac number, because 42392577747 - 223 = 42384189139 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (42392577749) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8109247 + ... + 8114472.
It is an arithmetic number, because the mean of its divisors is an integer number (3861245360).
Almost surely, 242392577747 is an apocalyptic number.
42392577747 is a deficient number, since it is larger than the sum of its proper divisors (19387348013).
42392577747 is a wasteful number, since it uses less digits than its factorization.
42392577747 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16223802.
The product of its digits is 20744640, while the sum is 57.
The spelling of 42392577747 in words is "forty-two billion, three hundred ninety-two million, five hundred seventy-seven thousand, seven hundred forty-seven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •