Base | Representation |
---|---|
bin | 111110100110000… |
… | …1000001100101111 |
3 | 12102101010212220120 |
4 | 1331030020030233 |
5 | 13300141100221 |
6 | 544225220023 |
7 | 103022343621 |
oct | 17514101457 |
9 | 5371125816 |
10 | 2100331311 |
11 | 988645001 |
12 | 4a7491613 |
13 | 2761a58c0 |
14 | 15cd34c11 |
15 | c45d05c6 |
hex | 7d30832f |
2100331311 has 16 divisors (see below), whose sum is σ = 3019332960. Its totient is φ = 1291023360.
The previous prime is 2100331297. The next prime is 2100331357. The reversal of 2100331311 is 1131330012.
It is not a de Polignac number, because 2100331311 - 27 = 2100331183 is a prime.
It is a super-2 number, since 2×21003313112 = 8822783231933957442, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2100331711) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3795 + ... + 64923.
It is an arithmetic number, because the mean of its divisors is an integer number (188708310).
Almost surely, 22100331311 is an apocalyptic number.
2100331311 is a deficient number, since it is larger than the sum of its proper divisors (919001649).
2100331311 is a wasteful number, since it uses less digits than its factorization.
2100331311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 62026.
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 2100331311 is about 45829.3717063632. The cubic root of 2100331311 is about 1280.6465058849.
Adding to 2100331311 its reverse (1131330012), we get a palindrome (3231661323).
The spelling of 2100331311 in words is "two billion, one hundred million, three hundred thirty-one thousand, three hundred eleven".
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