Base | Representation |
---|---|
bin | 111110001110011… |
… | …0111010111101001 |
3 | 12101111211102102201 |
4 | 1330130313113221 |
5 | 13234003112414 |
6 | 543103500201 |
7 | 102512132215 |
oct | 17434672751 |
9 | 5344742381 |
10 | 2087941609 |
11 | 981652486 |
12 | 4a32b7661 |
13 | 273758410 |
14 | 15b42b945 |
15 | c3484574 |
hex | 7c7375e9 |
2087941609 has 16 divisors (see below), whose sum is σ = 2288430144. Its totient is φ = 1893412800.
The previous prime is 2087941607. The next prime is 2087941651. The reversal of 2087941609 is 9061497802.
It is a cyclic number.
It is not a de Polignac number, because 2087941609 - 21 = 2087941607 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2087941601) 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, 189954 + ... + 200644.
It is an arithmetic number, because the mean of its divisors is an integer number (143026884).
Almost surely, 22087941609 is an apocalyptic number.
It is an amenable number.
2087941609 is a deficient number, since it is larger than the sum of its proper divisors (200488535).
2087941609 is a wasteful number, since it uses less digits than its factorization.
2087941609 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10968.
The product of its (nonzero) digits is 217728, while the sum is 46.
The square root of 2087941609 is about 45693.9997045564. Note that the first 3 decimals coincide. The cubic root of 2087941609 is about 1278.1233912012.
The spelling of 2087941609 in words is "two billion, eighty-seven million, nine hundred forty-one thousand, six hundred nine".
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