Base | Representation |
---|---|
bin | 100000000111100000100… |
… | …001011100101000110101 |
3 | 21210222212112222021001200 |
4 | 200013200201130220311 |
5 | 242130102240243120 |
6 | 4405530525043113 |
7 | 315312424463151 |
oct | 40074041345065 |
9 | 7728775867050 |
10 | 2207085087285 |
11 | 781023aa1a21 |
12 | 2b78b83b6499 |
13 | 1301866ab290 |
14 | 78b7591a061 |
15 | 3c628476e90 |
hex | 201e085ca35 |
2207085087285 has 192 divisors, whose sum is σ = 4510382822400. Its totient is φ = 988863842304.
The previous prime is 2207085087283. The next prime is 2207085087343. The reversal of 2207085087285 is 5827805807022.
2207085087285 is a `hidden beast` number, since 2 + 207 + 0 + 85 + 0 + 87 + 285 = 666.
It is not a de Polignac number, because 2207085087285 - 21 = 2207085087283 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2207085087283) by changing a digit.
It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 32455179 + ... + 32523111.
It is an arithmetic number, because the mean of its divisors is an integer number (23491577200).
Almost surely, 22207085087285 is an apocalyptic number.
It is an amenable number.
2207085087285 is an abundant number, since it is smaller than the sum of its proper divisors (2303297735115).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2207085087285 is a wasteful number, since it uses less digits than its factorization.
2207085087285 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 68092 (or 68089 counting only the distinct ones).
The product of its (nonzero) digits is 5017600, while the sum is 54.
The spelling of 2207085087285 in words is "two trillion, two hundred seven billion, eighty-five million, eighty-seven thousand, two hundred eighty-five".
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