Base | Representation |
---|---|
bin | 11100000010110100… |
… | …100010111100011100 |
3 | 2212201120020011211120 |
4 | 130002310202330130 |
5 | 443132144200444 |
6 | 21455554450540 |
7 | 2114130425241 |
oct | 340264427434 |
9 | 85646204746 |
10 | 30112100124 |
11 | 1185254a567 |
12 | 5a04593a50 |
13 | 2abb684332 |
14 | 16592a95c8 |
15 | bb38bdb19 |
hex | 702d22f1c |
30112100124 has 12 divisors (see below), whose sum is σ = 70261566984. Its totient is φ = 10037366704.
The previous prime is 30112100101. The next prime is 30112100129. The reversal of 30112100124 is 42100121103.
It is a tau number, because it is divible by the number of its divisors (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30112100129) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1254670827 + ... + 1254670850.
It is an arithmetic number, because the mean of its divisors is an integer number (5855130582).
Almost surely, 230112100124 is an apocalyptic number.
It is an amenable number.
30112100124 is an abundant number, since it is smaller than the sum of its proper divisors (40149466860).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30112100124 is a wasteful number, since it uses less digits than its factorization.
30112100124 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2509341684 (or 2509341682 counting only the distinct ones).
The product of its (nonzero) digits is 48, while the sum is 15.
Adding to 30112100124 its reverse (42100121103), we get a palindrome (72212221227).
The spelling of 30112100124 in words is "thirty billion, one hundred twelve million, one hundred thousand, one hundred twenty-four".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •