Base | Representation |
---|---|
bin | 11001010001010000110… |
… | …01000010110010101100 |
3 | 10002000010121100020102220 |
4 | 30220220121002302230 |
5 | 103211144312004333 |
6 | 1502512411315340 |
7 | 116505214063143 |
oct | 14505031026254 |
9 | 3060117306386 |
10 | 868261047468 |
11 | 3052557a9011 |
12 | 120336a4bb50 |
13 | 63b52059919 |
14 | 3004a03675a |
15 | 178bae078b3 |
hex | ca28642cac |
868261047468 has 24 divisors (see below), whose sum is σ = 2034419197440. Its totient is φ = 288209384400.
The previous prime is 868261047463. The next prime is 868261047527. The reversal of 868261047468 is 864740162868.
It is a happy number.
It is a super-2 number, since 2×8682610474682 (a number of 25 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (868261047461) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151367608 + ... + 151373343.
It is an arithmetic number, because the mean of its divisors is an integer number (84767466560).
Almost surely, 2868261047468 is an apocalyptic number.
It is an amenable number.
868261047468 is an abundant number, since it is smaller than the sum of its proper divisors (1166158149972).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
868261047468 is a wasteful number, since it uses less digits than its factorization.
868261047468 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 302741197 (or 302741195 counting only the distinct ones).
The product of its (nonzero) digits is 24772608, while the sum is 60.
The spelling of 868261047468 in words is "eight hundred sixty-eight billion, two hundred sixty-one million, forty-seven thousand, four hundred sixty-eight".
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