Base | Representation |
---|---|
bin | 111111001111011… |
… | …1110110111000111 |
3 | 12110220000100202001 |
4 | 1332132332313013 |
5 | 13321221113030 |
6 | 550322530131 |
7 | 103405064440 |
oct | 17636766707 |
9 | 5426010661 |
10 | 2122051015 |
11 | 99992a377 |
12 | 4b2806947 |
13 | 27a83b9b6 |
14 | 161b8a2c7 |
15 | c6470cca |
hex | 7e7bedc7 |
2122051015 has 16 divisors (see below), whose sum is σ = 2913825600. Its totient is φ = 1453328640.
The previous prime is 2122051013. The next prime is 2122051021. The reversal of 2122051015 is 5101502212.
It is not a de Polignac number, because 2122051015 - 21 = 2122051013 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2122050983 and 2122051001.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2122051013) by changing a digit.
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, 8190 + ... + 65659.
It is an arithmetic number, because the mean of its divisors is an integer number (182114100).
Almost surely, 22122051015 is an apocalyptic number.
2122051015 is a deficient number, since it is larger than the sum of its proper divisors (791774585).
2122051015 is an equidigital number, since it uses as much as digits as its factorization.
2122051015 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74682.
The product of its (nonzero) digits is 200, while the sum is 19.
The square root of 2122051015 is about 46065.7249481651. The cubic root of 2122051015 is about 1285.0458007264.
Adding to 2122051015 its reverse (5101502212), we get a palindrome (7223553227).
The spelling of 2122051015 in words is "two billion, one hundred twenty-two million, fifty-one thousand, fifteen".
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