Search a number
-
+
2188839002 = 27156345643
BaseRepresentation
bin1000001001110111…
…0000100001011010
312122112200112122012
42002131300201122
513440320322002
61001110225522
7105145552550
oct20235604132
95575615565
102188839002
11a235a7159
125110552a2
1328b62450c
1416a9b3bd0
15cc264d52
hex8277085a

2188839002 has 8 divisors (see below), whose sum is σ = 3752295456. Its totient is φ = 938073852.

The previous prime is 2188838987. The next prime is 2188839043. The reversal of 2188839002 is 2009388812.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 78172808 + ... + 78172835.

It is an arithmetic number, because the mean of its divisors is an integer number (469036932).

Almost surely, 22188839002 is an apocalyptic number.

2188839002 is a deficient number, since it is larger than the sum of its proper divisors (1563456454).

2188839002 is a wasteful number, since it uses less digits than its factorization.

2188839002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156345652.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 2188839002 is about 46785.0296783063. The cubic root of 2188839002 is about 1298.3883384852.

The spelling of 2188839002 in words is "two billion, one hundred eighty-eight million, eight hundred thirty-nine thousand, two".

Divisors: 1 2 7 14 156345643 312691286 1094419501 2188839002