Search a number
-
+
63530774804 = 22718959119677
BaseRepresentation
bin111011001010101110…
…101011000100010100
320001222120100202020102
4323022232223010110
52020102334243204
645104032553232
74406231450540
oct731256530424
9201876322212
1063530774804
1124a41514472
12103903b2818
135cb60b0353
143109782a20
1519bc6dd41e
hexecabab114

63530774804 has 24 divisors (see below), whose sum is σ = 127069313280. Its totient is φ = 27225811296.

The previous prime is 63530774803. The next prime is 63530774809. The reversal of 63530774804 is 40847703536.

63530774804 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 2×635307748042 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63530774803) 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, 471014 + ... + 590690.

It is an arithmetic number, because the mean of its divisors is an integer number (5294554720).

Almost surely, 263530774804 is an apocalyptic number.

It is an amenable number.

63530774804 is an abundant number, since it is smaller than the sum of its proper divisors (63538538476).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63530774804 is a wasteful number, since it uses less digits than its factorization.

63530774804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138647 (or 138645 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 63530774804 in words is "sixty-three billion, five hundred thirty million, seven hundred seventy-four thousand, eight hundred four".

Divisors: 1 2 4 7 14 28 18959 37918 75836 119677 132713 239354 265426 478708 530852 837739 1675478 3350956 2268956243 4537912486 9075824972 15882693701 31765387402 63530774804