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22131211033 = 127923897243
BaseRepresentation
bin10100100111000111…
…110111101100011001
32010010100210000011201
4110213013313230121
5330311042223113
614100020354201
71412301122101
oct244707675431
963110700151
1022131211033
119427545458
124357845961
1321190a2a59
1410dd378201
15897deacdd
hex5271f7b19

22131211033 has 8 divisors (see below), whose sum is σ = 22160844800. Its totient is φ = 22101599088.

The previous prime is 22131211013. The next prime is 22131211073. The reversal of 22131211033 is 33011213122.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-22131211033 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22131211033.

It is not an unprimeable number, because it can be changed into a prime (22131211013) 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, 3051910 + ... + 3059152.

It is an arithmetic number, because the mean of its divisors is an integer number (2770105600).

Almost surely, 222131211033 is an apocalyptic number.

It is an amenable number.

22131211033 is a deficient number, since it is larger than the sum of its proper divisors (29633767).

22131211033 is a wasteful number, since it uses less digits than its factorization.

22131211033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10911.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 22131211033 its reverse (33011213122), we get a palindrome (55142424155).

The spelling of 22131211033 in words is "twenty-two billion, one hundred thirty-one million, two hundred eleven thousand, thirty-three".

Divisors: 1 1279 2389 7243 3055531 9263797 17303527 22131211033