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802112399 = 1172919309
BaseRepresentation
bin101111110011110…
…100001110001111
32001220022112100122
4233303310032033
53120320044044
6211332015155
725606562054
oct5763641617
92056275318
10802112399
11381853a10
121a47614bb
13ca24252a
147875902b
154a642dee
hex2fcf438f

802112399 has 4 divisors (see below), whose sum is σ = 875031720. Its totient is φ = 729193080.

The previous prime is 802112329. The next prime is 802112413. The reversal of 802112399 is 993211208.

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

It is a de Polignac number, because none of the positive numbers 2k-802112399 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 (802112329) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 36459644 + ... + 36459665.

It is an arithmetic number, because the mean of its divisors is an integer number (218757930).

Almost surely, 2802112399 is an apocalyptic number.

802112399 is a deficient number, since it is larger than the sum of its proper divisors (72919321).

802112399 is a wasteful number, since it uses less digits than its factorization.

802112399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72919320.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 802112399 is about 28321.5889208215. The cubic root of 802112399 is about 929.1341225823.

The spelling of 802112399 in words is "eight hundred two million, one hundred twelve thousand, three hundred ninety-nine".

Divisors: 1 11 72919309 802112399