Search a number
-
+
202231222012 = 22174117972221
BaseRepresentation
bin1011110001010111101…
…0111000111011111100
3201022222211201111200201
42330111322320323330
511303132143101022
6232523112533244
720416323011311
oct2742572707374
9638884644621
10202231222012
1178847286336
123323a9b1224
13160bb662aa1
149b06568d08
1553d92ac127
hex2f15eb8efc

202231222012 has 24 divisors (see below), whose sum is σ = 374736846960. Its totient is φ = 95164005120.

The previous prime is 202231222009. The next prime is 202231222019. The reversal of 202231222012 is 210222132202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202231222019) 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, 2764062 + ... + 2836282.

It is an arithmetic number, because the mean of its divisors is an integer number (15614035290).

Almost surely, 2202231222012 is an apocalyptic number.

It is an amenable number.

202231222012 is a deficient number, since it is larger than the sum of its proper divisors (172505624948).

202231222012 is a wasteful number, since it uses less digits than its factorization.

202231222012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113421 (or 113419 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 202231222012 its reverse (210222132202), we get a palindrome (412453354214).

The spelling of 202231222012 in words is "two hundred two billion, two hundred thirty-one million, two hundred twenty-two thousand, twelve".

Divisors: 1 2 4 17 34 68 41179 72221 82358 144442 164716 288884 700043 1227757 1400086 2455514 2800172 4911028 2973988559 5947977118 11895954236 50557805503 101115611006 202231222012