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23212131201 = 34761671123
BaseRepresentation
bin10101100111100011…
…010000001110000001
32012220200201102220000
4111213203100032001
5340014301144301
614355152310213
71451134600620
oct254743201601
965820642800
1023212131201
119931708806
1245b9842369
13225c00309c
1411a2b4b6b7
1590cc63786
hex5678d0381

23212131201 has 40 divisors (see below), whose sum is σ = 40278177984. Its totient is φ = 13046611680.

The previous prime is 23212131179. The next prime is 23212131209. The reversal of 23212131201 is 10213121232.

23212131201 is a `hidden beast` number, since 232 + 121 + 312 + 0 + 1 = 666.

It is not a de Polignac number, because 23212131201 - 214 = 23212114817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23212131209) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 300975 + ... + 370148.

Almost surely, 223212131201 is an apocalyptic number.

23212131201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

23212131201 is a deficient number, since it is larger than the sum of its proper divisors (17066046783).

23212131201 is an equidigital number, since it uses as much as digits as its factorization.

23212131201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671203 (or 671194 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 23212131201 its reverse (10213121232), we get a palindrome (33425252433).

The spelling of 23212131201 in words is "twenty-three billion, two hundred twelve million, one hundred thirty-one thousand, two hundred one".

Divisors: 1 3 7 9 21 27 61 63 81 183 189 427 549 567 1281 1647 3843 4941 11529 34587 671123 2013369 4697861 6040107 14093583 18120321 40938503 42280749 54360963 122815509 126842247 286569521 368446527 380526741 859708563 1105339581 2579125689 3316018743 7737377067 23212131201