Base | Representation |
---|---|
bin | 10110101011011100… |
… | …00011011111100010 |
3 | 1011102112110020220002 |
4 | 23111232003133202 |
5 | 144413420221110 |
6 | 5332100220002 |
7 | 610502335346 |
oct | 132556033742 |
9 | 34375406802 |
10 | 12175554530 |
11 | 5188868367 |
12 | 243969a602 |
13 | 11c0640149 |
14 | 837079626 |
15 | 4b3d9baa5 |
hex | 2d5b837e2 |
12175554530 has 32 divisors (see below), whose sum is σ = 23223677184. Its totient is φ = 4580083456.
The previous prime is 12175554527. The next prime is 12175554593. The reversal of 12175554530 is 3545557121.
It is a super-2 number, since 2×121755545302 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 190199 + ... + 246021.
It is an arithmetic number, because the mean of its divisors is an integer number (725739912).
Almost surely, 212175554530 is an apocalyptic number.
12175554530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12175554530 is a deficient number, since it is larger than the sum of its proper divisors (11048122654).
12175554530 is a wasteful number, since it uses less digits than its factorization.
12175554530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57130.
The product of its (nonzero) digits is 105000, while the sum is 38.
The spelling of 12175554530 in words is "twelve billion, one hundred seventy-five million, five hundred fifty-four thousand, five hundred thirty".
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