Search a number
-
+
63468886386 = 234726317589
BaseRepresentation
bin111011000111000010…
…100101100101110010
320001211020220111021210
4323013002211211302
52014441013331021
645053542300550
74404550430043
oct730702454562
9201736814253
1063468886386
1124a0a593814
1210373727756
135ca6321999
1431014728ca
1519b7065e76
hexec70a5972

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".

Divisors: 1 2 3 6 47 94 141 282 631 1262 1893 2209 3786 4418 6627 7589 13254 15178 22767 29657 45534 59314 88971 177942 356683 713366 1070049 1393879 2140098 2787758 4181637 4788659 8363274 9577318 14365977 16764101 28731954 33528202 50292303 100584606 225066973 450133946 675200919 1350401838 10578147731 21156295462 31734443193 63468886386