Base | Representation |
---|---|
bin | 11100001000110010… |
… | …001000110010100000 |
3 | 2212222112110022202212 |
4 | 130020302020302200 |
5 | 443333301211000 |
6 | 21513530501252 |
7 | 2116453612331 |
oct | 341062106240 |
9 | 85875408685 |
10 | 30212132000 |
11 | 118a3a62a36 |
12 | 5a31b94828 |
13 | 2b063094ab |
14 | 16686a8288 |
15 | bbc57cc35 |
hex | 708c88ca0 |
30212132000 has 96 divisors (see below), whose sum is σ = 74889242064. Its totient is φ = 11977728000.
The previous prime is 30212131987. The next prime is 30212132021. The reversal of 30212132000 is 23121203.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 1655187856 + 28556944144 = 40684^2 + 168988^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 418580 + ... + 485420.
Almost surely, 230212132000 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 30212132000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37444621032).
30212132000 is an abundant number, since it is smaller than the sum of its proper divisors (44677110064).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30212132000 is a wasteful number, since it uses less digits than its factorization.
30212132000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66979 (or 66961 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 30212132000 its reverse (23121203), we get a palindrome (30235253203).
The spelling of 30212132000 in words is "thirty billion, two hundred twelve million, one hundred thirty-two thousand".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.081 sec. • engine limits •