Base | Representation |
---|---|
bin | 100100000111111… |
… | …1010101010110111 |
3 | 10010110211200112122 |
4 | 1020033322222313 |
5 | 4440301211043 |
6 | 320140110155 |
7 | 42015644414 |
oct | 11017725267 |
9 | 3113750478 |
10 | 1212132023 |
11 | 572242803 |
12 | 299b3535b |
13 | 1641815ab |
14 | b6dab10b |
15 | 71635368 |
hex | 483faab7 |
1212132023 has 16 divisors (see below), whose sum is σ = 1266243840. Its totient is φ = 1159046400.
The previous prime is 1212131989. The next prime is 1212132043. The reversal of 1212132023 is 3202312121.
It is a cyclic number.
It is not a de Polignac number, because 1212132023 - 26 = 1212131959 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1212131992 and 1212132010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1212132043) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1141913 + ... + 1142973.
It is an arithmetic number, because the mean of its divisors is an integer number (79140240).
Almost surely, 21212132023 is an apocalyptic number.
1212132023 is a deficient number, since it is larger than the sum of its proper divisors (54111817).
1212132023 is a wasteful number, since it uses less digits than its factorization.
1212132023 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1498.
The product of its (nonzero) digits is 144, while the sum is 17.
The square root of 1212132023 is about 34815.6864502195. The cubic root of 1212132023 is about 1066.2277341288.
Adding to 1212132023 its reverse (3202312121), we get a palindrome (4414444144).
It can be divided in two parts, 12121 and 32023, that added together give a palindrome (44144).
The spelling of 1212132023 in words is "one billion, two hundred twelve million, one hundred thirty-two thousand, twenty-three".
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