Base | Representation |
---|---|
bin | 11100000100110000… |
… | …011110000010000100 |
3 | 2212210211100121212222 |
4 | 130010300132002010 |
5 | 443214003221420 |
6 | 21503115031512 |
7 | 2115003515654 |
oct | 340460360204 |
9 | 85724317788 |
10 | 30144585860 |
11 | 11869918584 |
12 | 5a1343b598 |
13 | 2ac531986c |
14 | 165d724364 |
15 | bb6689225 |
hex | 704c1e084 |
30144585860 has 24 divisors (see below), whose sum is σ = 63381913560. Its totient is φ = 12042923264.
The previous prime is 30144585857. The next prime is 30144585901. The reversal of 30144585860 is 6858544103.
It can be written as a sum of positive squares in 4 ways, for example, as 13019722816 + 17124863044 = 114104^2 + 130862^2 .
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, 915359 + ... + 947718.
It is an arithmetic number, because the mean of its divisors is an integer number (2640913065).
Almost surely, 230144585860 is an apocalyptic number.
It is an amenable number.
30144585860 is an abundant number, since it is smaller than the sum of its proper divisors (33237327700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30144585860 is a wasteful number, since it uses less digits than its factorization.
30144585860 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1863895 (or 1863893 counting only the distinct ones).
The product of its (nonzero) digits is 460800, while the sum is 44.
The spelling of 30144585860 in words is "thirty billion, one hundred forty-four million, five hundred eighty-five thousand, eight hundred sixty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •