Base | Representation |
---|---|
bin | 11100000100101110… |
… | …101000001011100100 |
3 | 2212210210110002201110 |
4 | 130010232220023210 |
5 | 443213342300030 |
6 | 21503100425020 |
7 | 2114666435424 |
oct | 340456501344 |
9 | 85723402643 |
10 | 30144103140 |
11 | 11869618938 |
12 | 5a13248170 |
13 | 2ac51aac28 |
14 | 165d63a484 |
15 | bb65e11b0 |
hex | 704ba82e4 |
30144103140 has 48 divisors (see below), whose sum is σ = 88073209728. Its totient is φ = 7688930304.
The previous prime is 30144103103. The next prime is 30144103141. The reversal of 30144103140 is 4130144103.
It is a super-2 number, since 2×301441031402 (a number of 22 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (30144103141) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10920397 + ... + 10923156.
It is an arithmetic number, because the mean of its divisors is an integer number (1834858536).
Almost surely, 230144103140 is an apocalyptic number.
30144103140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30144103140 is an abundant number, since it is smaller than the sum of its proper divisors (57929106588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30144103140 is a wasteful number, since it uses less digits than its factorization.
30144103140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21843588 (or 21843586 counting only the distinct ones).
The product of its (nonzero) digits is 576, while the sum is 21.
Adding to 30144103140 its reverse (4130144103), we get a palindrome (34274247243).
The spelling of 30144103140 in words is "thirty billion, one hundred forty-four million, one hundred three thousand, one hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •