Base | Representation |
---|---|
bin | 1101010011110101… |
… | …01011110110000100 |
3 | 200102222220012121222 |
4 | 12221322223312010 |
5 | 104113244410430 |
6 | 3141021055512 |
7 | 342035311523 |
oct | 65172536604 |
9 | 20388805558 |
10 | 7145700740 |
11 | 303761a802 |
12 | 14750b7598 |
13 | 89b55acb9 |
14 | 4bb0464ba |
15 | 2bc4e99e5 |
hex | 1a9eabd84 |
7145700740 has 48 divisors (see below), whose sum is σ = 15241806720. Its totient is φ = 2813610240.
The previous prime is 7145700733. The next prime is 7145700761. The reversal of 7145700740 is 470075417.
It is a super-2 number, since 2×71457007402 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 7145700740.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458801 + ... + 474119.
It is an arithmetic number, because the mean of its divisors is an integer number (317537640).
Almost surely, 27145700740 is an apocalyptic number.
It is an amenable number.
7145700740 is an abundant number, since it is smaller than the sum of its proper divisors (8096105980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7145700740 is a wasteful number, since it uses less digits than its factorization.
7145700740 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15692 (or 15690 counting only the distinct ones).
The product of its (nonzero) digits is 27440, while the sum is 35.
The square root of 7145700740 is about 84532.2467464340. The cubic root of 7145700740 is about 1926.1123151546.
The spelling of 7145700740 in words is "seven billion, one hundred forty-five million, seven hundred thousand, seven hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •