Base | Representation |
---|---|
bin | 10010101000000110… |
… | …101101001010100011 |
3 | 1220121211220101200101 |
4 | 102220012231022203 |
5 | 311430022334311 |
6 | 13104333403231 |
7 | 1305423614020 |
oct | 225006551243 |
9 | 56554811611 |
10 | 20000199331 |
11 | 8533655862 |
12 | 3a62039517 |
13 | 1b69747598 |
14 | d7a338547 |
15 | 7c0ca9ec1 |
hex | 4a81ad2a3 |
20000199331 has 8 divisors (see below), whose sum is σ = 23132761344. Its totient is φ = 16936485000.
The previous prime is 20000199313. The next prime is 20000199337. The reversal of 20000199331 is 13399100002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20000199331 - 29 = 20000198819 is a prime.
It is a super-2 number, since 2×200001993312 (a number of 21 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 20000199331.
It is not an unprimeable number, because it can be changed into a prime (20000199337) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17211295 + ... + 17212456.
It is an arithmetic number, because the mean of its divisors is an integer number (2891595168).
Almost surely, 220000199331 is an apocalyptic number.
20000199331 is a deficient number, since it is larger than the sum of its proper divisors (3132562013).
20000199331 is an equidigital number, since it uses as much as digits as its factorization.
20000199331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34423841.
The product of its (nonzero) digits is 1458, while the sum is 28.
Adding to 20000199331 its reverse (13399100002), we get a palindrome (33399299333).
The spelling of 20000199331 in words is "twenty billion, one hundred ninety-nine thousand, three hundred thirty-one".
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