Base | Representation |
---|---|
bin | 11100001011000100… |
… | …101100111100111000 |
3 | 2220002012202022200012 |
4 | 130023010230330320 |
5 | 443423120200034 |
6 | 21521422201052 |
7 | 2120431313330 |
oct | 341304547470 |
9 | 86065668605 |
10 | 30250553144 |
11 | 11913715349 |
12 | 5a42a23188 |
13 | 2b1126c4b6 |
14 | 166d82a0c0 |
15 | bc0b1bcce |
hex | 70b12cf38 |
30250553144 has 32 divisors (see below), whose sum is σ = 68234332800. Its totient is φ = 12282179040.
The previous prime is 30250553141. The next prime is 30250553161. The reversal of 30250553144 is 44135505203.
It is a happy number.
It is a self number, because there is not a number n which added to its sum of digits gives 30250553144.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30250553141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14214422 + ... + 14216549.
It is an arithmetic number, because the mean of its divisors is an integer number (2132322900).
Almost surely, 230250553144 is an apocalyptic number.
It is an amenable number.
30250553144 is an abundant number, since it is smaller than the sum of its proper divisors (37983779656).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30250553144 is a wasteful number, since it uses less digits than its factorization.
30250553144 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28431003 (or 28430999 counting only the distinct ones).
The product of its (nonzero) digits is 36000, while the sum is 32.
The spelling of 30250553144 in words is "thirty billion, two hundred fifty million, five hundred fifty-three thousand, one hundred forty-four".
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