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202122240231 = 3173963181181
BaseRepresentation
bin1011110000111101101…
…1001010000011100111
3201022201020122122210110
42330033123022003213
511302421243141411
6232504221024103
720413530460212
oct2741733120347
9638636578713
10202122240231
11787a080a74a
123320a3b5033
13160a1bc6022
149ad5cba779
1553ce9312a6
hex2f0f6ca0e7

202122240231 has 8 divisors (see below), whose sum is σ = 285349045104. Its totient is φ = 126821797760.

The previous prime is 202122240227. The next prime is 202122240239. The reversal of 202122240231 is 132042221202.

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

It is a cyclic number.

It is not a de Polignac number, because 202122240231 - 22 = 202122240227 is a prime.

It is a super-2 number, since 2×2021222402312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202122240198 and 202122240207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202122240239) 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, 1981590540 + ... + 1981590641.

It is an arithmetic number, because the mean of its divisors is an integer number (35668630638).

Almost surely, 2202122240231 is an apocalyptic number.

202122240231 is a deficient number, since it is larger than the sum of its proper divisors (83226804873).

202122240231 is a wasteful number, since it uses less digits than its factorization.

202122240231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3963181201.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 202122240231 its reverse (132042221202), we get a palindrome (334164461433).

The spelling of 202122240231 in words is "two hundred two billion, one hundred twenty-two million, two hundred forty thousand, two hundred thirty-one".

Divisors: 1 3 17 51 3963181181 11889543543 67374080077 202122240231