Base | Representation |
---|---|
bin | 11110100101110101100… |
… | …110011010100100011001 |
3 | 21102222011202210001122202 |
4 | 132211311212122210121 |
5 | 233420312233343223 |
6 | 4245424243055545 |
7 | 304610526163040 |
oct | 36456546324431 |
9 | 7388152701582 |
10 | 2102212012313 |
11 | 7405a7970536 |
12 | 29b50a6715b5 |
13 | 12331241cc2a |
14 | 73a675d7557 |
15 | 39a3b508428 |
hex | 1e97599a919 |
2102212012313 has 4 divisors (see below), whose sum is σ = 2402528014080. Its totient is φ = 1801896010548.
The previous prime is 2102212012283. The next prime is 2102212012331. The reversal of 2102212012313 is 3132102122012.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2102212012313 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2102212012343) 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, 150158000873 + ... + 150158000886.
It is an arithmetic number, because the mean of its divisors is an integer number (600632003520).
Almost surely, 22102212012313 is an apocalyptic number.
It is an amenable number.
2102212012313 is a deficient number, since it is larger than the sum of its proper divisors (300316001767).
2102212012313 is an equidigital number, since it uses as much as digits as its factorization.
2102212012313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 300316001766.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 2102212012313 its reverse (3132102122012), we get a palindrome (5234314134325).
The spelling of 2102212012313 in words is "two trillion, one hundred two billion, two hundred twelve million, twelve thousand, three hundred thirteen".
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