Base | Representation |
---|---|
bin | 1000001010001100… |
… | …0000011110100011 |
3 | 12122122021110020212 |
4 | 2002203000132203 |
5 | 13441143340300 |
6 | 1001155524335 |
7 | 105163343456 |
oct | 20243003643 |
9 | 5578243225 |
10 | 2190215075 |
11 | a24357004 |
12 | 5115b96ab |
13 | 28b9b6969 |
14 | 16ac5149d |
15 | cc437935 |
hex | 828c07a3 |
2190215075 has 12 divisors (see below), whose sum is σ = 2719459128. Its totient is φ = 1749854400.
The previous prime is 2190215023. The next prime is 2190215099. The reversal of 2190215075 is 5705120912.
It is a happy number.
It is not a de Polignac number, because 2190215075 - 26 = 2190215011 is a prime.
It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 38537 + ... + 76586.
It is an arithmetic number, because the mean of its divisors is an integer number (226621594).
Almost surely, 22190215075 is an apocalyptic number.
2190215075 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
2190215075 is a deficient number, since it is larger than the sum of its proper divisors (529244053).
2190215075 is a wasteful number, since it uses less digits than its factorization.
2190215075 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 115894 (or 115889 counting only the distinct ones).
The product of its (nonzero) digits is 6300, while the sum is 32.
The square root of 2190215075 is about 46799.7337065073. The cubic root of 2190215075 is about 1298.6603705002.
Adding to 2190215075 its reverse (5705120912), we get a palindrome (7895335987).
The spelling of 2190215075 in words is "two billion, one hundred ninety million, two hundred fifteen thousand, seventy-five".
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