Base | Representation |
---|---|
bin | 11101001011010011101… |
… | …011101010010010001011 |
3 | 21002200021022220001110002 |
4 | 131023103223222102023 |
5 | 230322223041313044 |
6 | 4133030453113215 |
7 | 264566631325145 |
oct | 35132353522213 |
9 | 7080238801402 |
10 | 2005006197899 |
11 | 703355801421 |
12 | 28470062880b |
13 | 1170c0783053 |
14 | 6d0856c5c95 |
15 | 3724c75a74e |
hex | 1d2d3aea48b |
2005006197899 has 4 divisors (see below), whose sum is σ = 2005717448040. Its totient is φ = 2004294947760.
The previous prime is 2005006197881. The next prime is 2005006197911. The reversal of 2005006197899 is 9987916005002.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2005006197899 is a prime.
It is a super-2 number, since 2×20050061978992 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2005006193899) 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, 355620842 + ... + 355626479.
It is an arithmetic number, because the mean of its divisors is an integer number (501429362010).
Almost surely, 22005006197899 is an apocalyptic number.
2005006197899 is a deficient number, since it is larger than the sum of its proper divisors (711250141).
2005006197899 is an equidigital number, since it uses as much as digits as its factorization.
2005006197899 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 711250140.
The product of its (nonzero) digits is 2449440, while the sum is 56.
The spelling of 2005006197899 in words is "two trillion, five billion, six million, one hundred ninety-seven thousand, eight hundred ninety-nine".
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