Base | Representation |
---|---|
bin | 110011110010100… |
… | …101010011001011 |
3 | 2020112222120222020 |
4 | 303302211103023 |
5 | 3234414213440 |
6 | 222115255523 |
7 | 30350340210 |
oct | 6362452313 |
9 | 2215876866 |
10 | 868897995 |
11 | 406519a19 |
12 | 202baa5a3 |
13 | 10b026c34 |
14 | 83581b07 |
15 | 514363d0 |
hex | 33ca54cb |
868897995 has 32 divisors (see below), whose sum is σ = 1595220480. Its totient is φ = 395616000.
The previous prime is 868897993. The next prime is 868898057. The reversal of 868897995 is 599798868.
It is not a de Polignac number, because 868897995 - 21 = 868897993 is a prime.
It is not an unprimeable number, because it can be changed into a prime (868897993) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9871 + ... + 42839.
It is an arithmetic number, because the mean of its divisors is an integer number (49850640).
Almost surely, 2868897995 is an apocalyptic number.
868897995 is a deficient number, since it is larger than the sum of its proper divisors (726322485).
868897995 is a wasteful number, since it uses less digits than its factorization.
868897995 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33235.
The product of its digits is 78382080, while the sum is 69.
The square root of 868897995 is about 29477.0757538803. The cubic root of 868897995 is about 954.2370284639.
The spelling of 868897995 in words is "eight hundred sixty-eight million, eight hundred ninety-seven thousand, nine hundred ninety-five".
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