Base | Representation |
---|---|
bin | 111100110111001… |
… | …111001101101111 |
3 | 2122011101220222101 |
4 | 330313033031233 |
5 | 4042401110244 |
6 | 245153555531 |
7 | 34206214261 |
oct | 7467171557 |
9 | 2564356871 |
10 | 1021113199 |
11 | 484434507 |
12 | 245b75ba7 |
13 | 1337201c2 |
14 | 99885b31 |
15 | 5e9a20d4 |
hex | 3cdcf36f |
1021113199 has 4 divisors (see below), whose sum is σ = 1030481320. Its totient is φ = 1011745080.
The previous prime is 1021113193. The next prime is 1021113239. The reversal of 1021113199 is 9913111201.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 1021113199 - 219 = 1020588911 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1021113193) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4683897 + ... + 4684114.
It is an arithmetic number, because the mean of its divisors is an integer number (257620330).
Almost surely, 21021113199 is an apocalyptic number.
1021113199 is a deficient number, since it is larger than the sum of its proper divisors (9368121).
1021113199 is an equidigital number, since it uses as much as digits as its factorization.
1021113199 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9368120.
The product of its (nonzero) digits is 486, while the sum is 28.
The square root of 1021113199 is about 31954.8618992478. The cubic root of 1021113199 is about 1006.9887762227.
The spelling of 1021113199 in words is "one billion, twenty-one million, one hundred thirteen thousand, one hundred ninety-nine".
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