Base | Representation |
---|---|
bin | 11011111100110111… |
… | …010100010110101110 |
3 | 2212110121011212120012 |
4 | 123330313110112232 |
5 | 442431103213002 |
6 | 21442024453222 |
7 | 2111505115646 |
oct | 337467242656 |
9 | 85417155505 |
10 | 30012163502 |
11 | 118010a1712 |
12 | 599701a212 |
13 | 2aa3a63639 |
14 | 1649cd3526 |
15 | ba9c2cd52 |
hex | 6fcdd45ae |
30012163502 has 16 divisors (see below), whose sum is σ = 47046890880. Its totient is φ = 14331847992.
The previous prime is 30012163499. The next prime is 30012163543. The reversal of 30012163502 is 20536121003.
30012163502 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (23).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464708 + ... + 525335.
It is an arithmetic number, because the mean of its divisors is an integer number (2940430680).
Almost surely, 230012163502 is an apocalyptic number.
30012163502 is a deficient number, since it is larger than the sum of its proper divisors (17034727378).
30012163502 is a wasteful number, since it uses less digits than its factorization.
30012163502 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 990727.
The product of its (nonzero) digits is 1080, while the sum is 23.
Adding to 30012163502 its reverse (20536121003), we get a palindrome (50548284505).
The spelling of 30012163502 in words is "thirty billion, twelve million, one hundred sixty-three thousand, five hundred two".
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