Base | Representation |
---|---|
bin | 11100001000110101… |
… | …010011010101000000 |
3 | 2212222121000110202210 |
4 | 130020311103111000 |
5 | 443334004232400 |
6 | 21514000342120 |
7 | 2116463636103 |
oct | 341065232500 |
9 | 85877013683 |
10 | 30212961600 |
11 | 118a447a258 |
12 | 5a32314940 |
13 | 2b06539c93 |
14 | 166884273a |
15 | bbc693950 |
hex | 708d53540 |
30212961600 has 84 divisors (see below), whose sum is σ = 99123707264. Its totient is φ = 8056788480.
The previous prime is 30212961593. The next prime is 30212961601. The reversal of 30212961600 is 616921203.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30212961601) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3142384 + ... + 3151983.
Almost surely, 230212961600 is an apocalyptic number.
30212961600 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30212961600 is an abundant number, since it is smaller than the sum of its proper divisors (68910745664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30212961600 is a wasteful number, since it uses less digits than its factorization.
30212961600 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6294392 (or 6294377 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 30.
The spelling of 30212961600 in words is "thirty billion, two hundred twelve million, nine hundred sixty-one thousand, six hundred".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.091 sec. • engine limits •