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63708374934 = 2331179784721
BaseRepresentation
bin111011010101010100…
…001010011110010110
320002102221112202211000
4323111110022132112
52020433320444214
645133415324130
74413516152301
oct732524123626
9202387482730
1063708374934
1125022798036
121041b980646
136013b23a99
1431251b3b38
1519cd0c0809
hexed550a796

63708374934 has 16 divisors (see below), whose sum is σ = 141574166640. Its totient is φ = 21236124960.

The previous prime is 63708374867. The next prime is 63708374941. The reversal of 63708374934 is 43947380736.

It is a happy number.

63708374934 is a `hidden beast` number, since 6 + 3 + 70 + 83 + 7 + 493 + 4 = 666.

It is a super-2 number, since 2×637083749342 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 1179784721 = 63708374934 / (6 + 3 + 7 + 0 + 8 + 3 + 7 + 4 + 9 + 3 + 4).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 589892307 + ... + 589892414.

It is an arithmetic number, because the mean of its divisors is an integer number (8848385415).

Almost surely, 263708374934 is an apocalyptic number.

63708374934 is an abundant number, since it is smaller than the sum of its proper divisors (77865791706).

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

63708374934 is a wasteful number, since it uses less digits than its factorization.

63708374934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179784732 (or 1179784726 counting only the distinct ones).

The product of its (nonzero) digits is 9144576, while the sum is 54.

The spelling of 63708374934 in words is "sixty-three billion, seven hundred eight million, three hundred seventy-four thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 54 1179784721 2359569442 3539354163 7078708326 10618062489 21236124978 31854187467 63708374934