Base | Representation |
---|---|
bin | 11100000000101000… |
… | …010100110100111100 |
3 | 2212122000001200100202 |
4 | 130000220110310330 |
5 | 443043241422030 |
6 | 21452202543032 |
7 | 2113203122144 |
oct | 340050246474 |
9 | 85560050322 |
10 | 30075342140 |
11 | 11833823768 |
12 | 59b4207a78 |
13 | 2ab3b8434c |
14 | 165445b924 |
15 | bb055c745 |
hex | 700a14d3c |
30075342140 has 24 divisors (see below), whose sum is σ = 63176213520. Its totient is φ = 12026709248.
The previous prime is 30075342113. The next prime is 30075342161. The reversal of 30075342140 is 4124357003.
It is a happy number.
It is a congruent number.
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, 141677 + ... + 283236.
It is an arithmetic number, because the mean of its divisors is an integer number (2632342230).
Almost surely, 230075342140 is an apocalyptic number.
It is an amenable number.
30075342140 is an abundant number, since it is smaller than the sum of its proper divisors (33100871380).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30075342140 is a wasteful number, since it uses less digits than its factorization.
30075342140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 428461 (or 428459 counting only the distinct ones).
The product of its (nonzero) digits is 10080, while the sum is 29.
Adding to 30075342140 its reverse (4124357003), we get a palindrome (34199699143).
The spelling of 30075342140 in words is "thirty billion, seventy-five million, three hundred forty-two thousand, one hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •