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2194320202 = 210942123909
BaseRepresentation
bin1000001011001010…
…1010101101001010
312122221000000102121
42002302222231022
513443221221302
61001423521454
7105243261664
oct20262525512
95587000377
102194320202
11a26700278
12512a5928a
1328c7c3329
1416b5dd534
15cc998e37
hex82caab4a

2194320202 has 16 divisors (see below), whose sum is σ = 3329706600. Its totient is φ = 1084466880.

The previous prime is 2194320199. The next prime is 2194320209. The reversal of 2194320202 is 2020234912.

It can be written as a sum of positive squares in 4 ways, for example, as 808321761 + 1385998441 = 28431^2 + 37229^2 .

It is a super-2 number, since 2×21943202022 = 9630082297810641608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2194320209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79824 + ... + 103732.

Almost surely, 22194320202 is an apocalyptic number.

2194320202 is a deficient number, since it is larger than the sum of its proper divisors (1135386398).

2194320202 is a wasteful number, since it uses less digits than its factorization.

2194320202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24441.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 2194320202 is about 46843.5716187397. The cubic root of 2194320202 is about 1299.4712251868.

The spelling of 2194320202 in words is "two billion, one hundred ninety-four million, three hundred twenty thousand, two hundred two".

Divisors: 1 2 109 218 421 842 23909 45889 47818 91778 2606081 5212162 10065689 20131378 1097160101 2194320202