Base | Representation |
---|---|
bin | 111011000111000010… |
… | …100101100101110010 |
3 | 20001211020220111021210 |
4 | 323013002211211302 |
5 | 2014441013331021 |
6 | 45053542300550 |
7 | 4404550430043 |
oct | 730702454562 |
9 | 201736814253 |
10 | 63468886386 |
11 | 24a0a593814 |
12 | 10373727756 |
13 | 5ca6321999 |
14 | 31014728ca |
15 | 19b7065e76 |
hex | ec70a5972 |
63468886386 has 48 divisors (see below), whose sum is σ = 129918697920. Its totient is φ = 20670622560.
The previous prime is 63468886309. The next prime is 63468886387. The reversal of 63468886386 is 68368886436.
63468886386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-2 number, since 2×634688863862 (a number of 22 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (63468886387) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8359480 + ... + 8367068.
It is an arithmetic number, because the mean of its divisors is an integer number (2706639540).
Almost surely, 263468886386 is an apocalyptic number.
63468886386 is an abundant number, since it is smaller than the sum of its proper divisors (66449811534).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
63468886386 is a wasteful number, since it uses less digits than its factorization.
63468886386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8319 (or 8272 counting only the distinct ones).
The product of its digits is 191102976, while the sum is 66.
The spelling of 63468886386 in words is "sixty-three billion, four hundred sixty-eight million, eight hundred eighty-six thousand, three hundred eighty-six".
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