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63138802804 = 22721129285159
BaseRepresentation
bin111010110011010111…
…011010110001110100
320000222020210111201221
4322303113122301310
52013302013142204
645001111400124
74363431653200
oct726327326164
9200866714657
1063138802804
1124860232070
12102a1083044
135c52b1cb5c
1430ad6abb00
1519980b3654
hexeb35dac74

63138802804 has 36 divisors (see below), whose sum is σ = 140217346080. Its totient is φ = 24599532720.

The previous prime is 63138802787. The next prime is 63138802807. The reversal of 63138802804 is 40820883136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63138802807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14640424 + ... + 14644735.

It is an arithmetic number, because the mean of its divisors is an integer number (3894926280).

Almost surely, 263138802804 is an apocalyptic number.

It is an amenable number.

63138802804 is an abundant number, since it is smaller than the sum of its proper divisors (77078543276).

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

63138802804 is a wasteful number, since it uses less digits than its factorization.

63138802804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29285188 (or 29285179 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 63138802804 in words is "sixty-three billion, one hundred thirty-eight million, eight hundred two thousand, eight hundred four".

Divisors: 1 2 4 7 11 14 22 28 44 49 77 98 154 196 308 539 1078 2156 29285159 58570318 117140636 204996113 322136749 409992226 644273498 819984452 1288546996 1434972791 2254957243 2869945582 4509914486 5739891164 9019828972 15784700701 31569401402 63138802804