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2864233997 = 16091780133
BaseRepresentation
bin1010101010111000…
…1011111000001101
321101121120011101122
42222232023320031
521331220441442
61152114250325
7130656405302
oct25256137015
97347504348
102864233997
11123a870439
1267b2869a5
1336852a421
141d25850a9
1511b6c6dd2
hexaab8be0d

2864233997 has 4 divisors (see below), whose sum is σ = 2866015740. Its totient is φ = 2862452256.

The previous prime is 2864233961. The next prime is 2864234011. The reversal of 2864233997 is 7993324682.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2418770761 + 445463236 = 49181^2 + 21106^2 .

It is a cyclic number.

It is not a de Polignac number, because 2864233997 - 218 = 2863971853 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2864233597) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 888458 + ... + 891675.

It is an arithmetic number, because the mean of its divisors is an integer number (716503935).

Almost surely, 22864233997 is an apocalyptic number.

It is an amenable number.

2864233997 is a deficient number, since it is larger than the sum of its proper divisors (1781743).

2864233997 is a wasteful number, since it uses less digits than its factorization.

2864233997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781742.

The product of its digits is 3919104, while the sum is 53.

The square root of 2864233997 is about 53518.5388160028. The cubic root of 2864233997 is about 1420.1563666000.

The spelling of 2864233997 in words is "two billion, eight hundred sixty-four million, two hundred thirty-three thousand, nine hundred ninety-seven".

Divisors: 1 1609 1780133 2864233997