Base | Representation |
---|---|
bin | 111100110111010… |
… | …011101010010010 |
3 | 2122011102211221212 |
4 | 330313103222102 |
5 | 4042402201120 |
6 | 245154220122 |
7 | 34206321335 |
oct | 7467235222 |
9 | 2564384855 |
10 | 1021131410 |
11 | 484447162 |
12 | 245b84642 |
13 | 133728590 |
14 | 9988c61c |
15 | 5e9a76c5 |
hex | 3cdd3a92 |
1021131410 has 32 divisors (see below), whose sum is σ = 1990405872. Its totient is φ = 374941440.
The previous prime is 1021131409. The next prime is 1021131431. The reversal of 1021131410 is 141311201.
It can be written as a sum of positive squares in 8 ways, for example, as 171583801 + 849547609 = 13099^2 + 29147^2 .
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1832 + ... + 45228.
Almost surely, 21021131410 is an apocalyptic number.
1021131410 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1021131410 is a deficient number, since it is larger than the sum of its proper divisors (969274462).
1021131410 is a wasteful number, since it uses less digits than its factorization.
1021131410 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43598.
The product of its (nonzero) digits is 24, while the sum is 14.
The square root of 1021131410 is about 31955.1468467914. The cubic root of 1021131410 is about 1006.9947625533.
Adding to 1021131410 its reverse (141311201), we get a palindrome (1162442611).
The spelling of 1021131410 in words is "one billion, twenty-one million, one hundred thirty-one thousand, four hundred ten".
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