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2887999993 is a prime number
BaseRepresentation
bin1010110000100011…
…0110000111111001
321110021021121012201
42230020312013321
521403311444433
61154323510201
7131365411024
oct25410660771
97407247181
102887999993
11125222315a
12687228361
1337042ba48
141d57b01bb
1511d81da7d
hexac2361f9

2887999993 has 2 divisors, whose sum is σ = 2887999994. Its totient is φ = 2887999992.

The previous prime is 2887999973. The next prime is 2888000039. The reversal of 2887999993 is 3999997882.

2887999993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1963110249 + 924889744 = 44307^2 + 30412^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2887999993 is a prime.

It is not a weakly prime, because it can be changed into another prime (2887999903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1443999996 + 1443999997.

It is an arithmetic number, because the mean of its divisors is an integer number (1443999997).

Almost surely, 22887999993 is an apocalyptic number.

It is an amenable number.

2887999993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2887999993 is an equidigital number, since it uses as much as digits as its factorization.

2887999993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158723712, while the sum is 73.

The square root of 2887999993 is about 53740.1153050494. The cubic root of 2887999993 is about 1424.0734706298.

The spelling of 2887999993 in words is "two billion, eight hundred eighty-seven million, nine hundred ninety-nine thousand, nine hundred ninety-three".