Base | Representation |
---|---|
bin | 10110100010011011… |
… | …11111110111100010 |
3 | 1011020021100211110111 |
4 | 23101031333313202 |
5 | 144240102322320 |
6 | 5320401521534 |
7 | 605564442664 |
oct | 132115776742 |
9 | 34207324414 |
10 | 12100042210 |
11 | 514a181893 |
12 | 24183432aa |
13 | 11aaac15b9 |
14 | 82b020534 |
15 | 4ac432a5a |
hex | 2d137fde2 |
12100042210 has 8 divisors (see below), whose sum is σ = 21780075996. Its totient is φ = 4840016880.
The previous prime is 12100042183. The next prime is 12100042231. The reversal of 12100042210 is 1224000121.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 11193851601 + 906190609 = 105801^2 + 30103^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×121000422102 (a number of 21 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 605002101 + ... + 605002120.
Almost surely, 212100042210 is an apocalyptic number.
12100042210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12100042210 is a deficient number, since it is larger than the sum of its proper divisors (9680033786).
12100042210 is a wasteful number, since it uses less digits than its factorization.
12100042210 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1210004228.
The product of its (nonzero) digits is 32, while the sum is 13.
Adding to 12100042210 its reverse (1224000121), we get a palindrome (13324042331).
The spelling of 12100042210 in words is "twelve billion, one hundred million, forty-two thousand, two hundred ten".
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