Base | Representation |
---|---|
bin | 11011111111010000… |
… | …111100000011100000 |
3 | 2212120101221211111110 |
4 | 123333100330003200 |
5 | 443021410343034 |
6 | 21450023543320 |
7 | 2112504322035 |
oct | 337720740340 |
9 | 85511854443 |
10 | 30052434144 |
11 | 118218a7637 |
12 | 59a85bab40 |
13 | 2aac1c3415 |
14 | 16513b738c |
15 | bad534de9 |
hex | 6ff43c0e0 |
30052434144 has 48 divisors (see below), whose sum is σ = 78936536448. Its totient is φ = 10011268992.
The previous prime is 30052434109. The next prime is 30052434149. The reversal of 30052434144 is 44143425003.
It is a tau number, because it is divible by the number of its divisors (48).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30052434149) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59989 + ... + 252395.
It is an arithmetic number, because the mean of its divisors is an integer number (1644511176).
Almost surely, 230052434144 is an apocalyptic number.
It is an amenable number.
30052434144 is an abundant number, since it is smaller than the sum of its proper divisors (48884102304).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30052434144 is a wasteful number, since it uses less digits than its factorization.
30052434144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 194047 (or 194039 counting only the distinct ones).
The product of its (nonzero) digits is 23040, while the sum is 30.
Adding to 30052434144 its reverse (44143425003), we get a palindrome (74195859147).
The spelling of 30052434144 in words is "thirty billion, fifty-two million, four hundred thirty-four thousand, one hundred forty-four".
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