Base | Representation |
---|---|
bin | 11100000010001010… |
… | …001111011001000001 |
3 | 2212200210100202000200 |
4 | 130002022033121001 |
5 | 443121324304420 |
6 | 21454521035413 |
7 | 2113634235414 |
oct | 340212173101 |
9 | 85623322020 |
10 | 30101009985 |
11 | 11847265362 |
12 | 5a00925b69 |
13 | 2ab92a0517 |
14 | 1657a1db7b |
15 | bb292cb90 |
hex | 70228f641 |
30101009985 has 24 divisors (see below), whose sum is σ = 52439947560. Its totient is φ = 15972375552.
The previous prime is 30101009963. The next prime is 30101010109. The reversal of 30101009985 is 58990010103.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 12752959041 + 17348050944 = 112929^2 + 131712^2 .
It is not a de Polignac number, because 30101009985 - 215 = 30100977217 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1688880 + ... + 1706609.
It is an arithmetic number, because the mean of its divisors is an integer number (2184997815).
Almost surely, 230101009985 is an apocalyptic number.
It is an amenable number.
30101009985 is a deficient number, since it is larger than the sum of its proper divisors (22338937575).
30101009985 is a wasteful number, since it uses less digits than its factorization.
30101009985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3395697 (or 3395694 counting only the distinct ones).
The product of its (nonzero) digits is 9720, while the sum is 36.
The spelling of 30101009985 in words is "thirty billion, one hundred one million, nine thousand, nine hundred eighty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •