Base | Representation |
---|---|
bin | 111110100111101… |
… | …1110111101111010 |
3 | 12102102210120121201 |
4 | 1331033132331322 |
5 | 13300402223002 |
6 | 544300124414 |
7 | 103032666412 |
oct | 17517367572 |
9 | 5372716551 |
10 | 2101211002 |
11 | 989095a20 |
12 | 4a783670a |
13 | 276423127 |
14 | 15d0c3642 |
15 | c4706087 |
hex | 7d3def7a |
2101211002 has 32 divisors (see below), whose sum is σ = 3527613504. Its totient is φ = 930595200.
The previous prime is 2101210997. The next prime is 2101211017. The reversal of 2101211002 is 2001121012.
It is a self number, because there is not a number n which added to its sum of digits gives 2101211002.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 136278 + ... + 150910.
It is an arithmetic number, because the mean of its divisors is an integer number (110237922).
Almost surely, 22101211002 is an apocalyptic number.
2101211002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.
2101211002 is a deficient number, since it is larger than the sum of its proper divisors (1426402502).
2101211002 is a wasteful number, since it uses less digits than its factorization.
2101211002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14814.
The product of its (nonzero) digits is 8, while the sum is 10.
The square root of 2101211002 is about 45838.9681602891. The cubic root of 2101211002 is about 1280.8252738652.
Adding to 2101211002 its reverse (2001121012), we get a palindrome (4102332014).
The spelling of 2101211002 in words is "two billion, one hundred one million, two hundred eleven thousand, two".
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