Base | Representation |
---|---|
bin | 11011111101111101… |
… | …010100000000000010 |
3 | 2212111212201002011000 |
4 | 123331331110000002 |
5 | 443000302342010 |
6 | 21443522032430 |
7 | 2112120066333 |
oct | 337575240002 |
9 | 85455632130 |
10 | 30030512130 |
11 | 11810494273 |
12 | 59a11a8716 |
13 | 2aa77b9208 |
14 | 164c50c28a |
15 | bab6547c0 |
hex | 6fdf54002 |
30030512130 has 64 divisors (see below), whose sum is σ = 84296188800. Its totient is φ = 7586654400.
The previous prime is 30030512123. The next prime is 30030512147. The reversal of 30030512130 is 3121503003.
It is a super-3 number, since 3×300305121303 (a number of 32 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2921821 + ... + 2932080.
It is an arithmetic number, because the mean of its divisors is an integer number (1317127950).
Almost surely, 230030512130 is an apocalyptic number.
30030512130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
30030512130 is an abundant number, since it is smaller than the sum of its proper divisors (54265676670).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30030512130 is a wasteful number, since it uses less digits than its factorization.
30030512130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5853936 (or 5853930 counting only the distinct ones).
The product of its (nonzero) digits is 270, while the sum is 18.
The spelling of 30030512130 in words is "thirty billion, thirty million, five hundred twelve thousand, one hundred thirty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •