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202205115161 = 7149942894493
BaseRepresentation
bin1011110001010001011…
…1010011001100011001
3201022221000121010211022
42330110113103030121
511303104002141121
6232520341212225
720415555056120
oct2742427231431
9638830533738
10202205115161
1178833574925
1233232101075
13160b6121b4a
149b02cd0ab7
1553d6d51aab
hex2f145d3319

202205115161 has 16 divisors (see below), whose sum is σ = 231351120000. Its totient is φ = 173124123648.

The previous prime is 202205115137. The next prime is 202205115187. The reversal of 202205115161 is 161511502202.

202205115161 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 202205115161 - 226 = 202138006297 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202205115161.

It is not an unprimeable number, because it can be changed into a prime (202205114161) 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 15 ways as a sum of consecutive naturals, for example, 45002231 + ... + 45006723.

It is an arithmetic number, because the mean of its divisors is an integer number (14459445000).

Almost surely, 2202205115161 is an apocalyptic number.

It is an amenable number.

202205115161 is a deficient number, since it is larger than the sum of its proper divisors (29146004839).

202205115161 is a wasteful number, since it uses less digits than its factorization.

202205115161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10288.

The product of its (nonzero) digits is 1200, while the sum is 26.

Adding to 202205115161 its reverse (161511502202), we get a palindrome (363716617363).

The spelling of 202205115161 in words is "two hundred two billion, two hundred five million, one hundred fifteen thousand, one hundred sixty-one".

Divisors: 1 7 1499 4289 4493 10493 30023 31451 6429211 6735007 19270477 45004477 47145049 134893339 28886445023 202205115161