Base | Representation |
---|---|
bin | 111100110100111… |
… | …100011111010110 |
3 | 2122010021101120200 |
4 | 330310330133112 |
5 | 4042222342324 |
6 | 245133041330 |
7 | 34201132161 |
oct | 7464743726 |
9 | 2563241520 |
10 | 1020512214 |
11 | 484063a27 |
12 | 245926246 |
13 | 13356c7a7 |
14 | 9976aad8 |
15 | 5e8d3ec9 |
hex | 3cd3c7d6 |
1020512214 has 24 divisors (see below), whose sum is σ = 2211732432. Its totient is φ = 340074960.
The previous prime is 1020512201. The next prime is 1020512237. The reversal of 1020512214 is 4122150201.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is a congruent number.
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 11 ways as a sum of consecutive naturals, for example, 90679 + ... + 101309.
It is an arithmetic number, because the mean of its divisors is an integer number (92155518).
Almost surely, 21020512214 is an apocalyptic number.
1020512214 is an abundant number, since it is smaller than the sum of its proper divisors (1191220218).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1020512214 is a wasteful number, since it uses less digits than its factorization.
1020512214 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 15972 (or 15969 counting only the distinct ones).
The product of its (nonzero) digits is 160, while the sum is 18.
The square root of 1020512214 is about 31945.4568600920. The cubic root of 1020512214 is about 1006.7911801357.
Adding to 1020512214 its reverse (4122150201), we get a palindrome (5142662415).
The spelling of 1020512214 in words is "one billion, twenty million, five hundred twelve thousand, two hundred fourteen".
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