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63078843137 = 169457372241
BaseRepresentation
bin111010101111110010…
…101100001100000001
320000211001222020112112
4322233302230030001
52013141140440022
644551130305105
74362103214522
oct725762541401
9200731866475
1063078843137
112482a3a9522
1210284b88195
135c4358836b
1430a5740849
151992bbc8e2
hexeafcac301

63078843137 has 4 divisors (see below), whose sum is σ = 63079384836. Its totient is φ = 63078301440.

The previous prime is 63078843127. The next prime is 63078843173. The reversal of 63078843137 is 73134887036.

63078843137 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 46735521856 + 16343321281 = 216184^2 + 127841^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-63078843137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63078843127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16664 + ... + 355577.

It is an arithmetic number, because the mean of its divisors is an integer number (15769846209).

Almost surely, 263078843137 is an apocalyptic number.

It is an amenable number.

63078843137 is a deficient number, since it is larger than the sum of its proper divisors (541699).

63078843137 is a wasteful number, since it uses less digits than its factorization.

63078843137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541698.

The product of its (nonzero) digits is 2032128, while the sum is 50.

The spelling of 63078843137 in words is "sixty-three billion, seventy-eight million, eight hundred forty-three thousand, one hundred thirty-seven".

Divisors: 1 169457 372241 63078843137