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23331113223113 = 178811557796169
BaseRepresentation
bin1010100111000001100101…
…01101110100001111001001
310001121102200101200022020202
411103200302231310033021
511024224104441114423
6121342055423101545
74625421510155543
oct523406255641711
9101542611608222
1023331113223113
1174857401a0043
1227498867418b5
131003164837c17
145a93364c2693
152a6d684ab728
hex153832b743c9

23331113223113 has 8 divisors (see below), whose sum is σ = 24731571994920. Its totient is φ = 21933770045440.

The previous prime is 23331113223097. The next prime is 23331113223137. The reversal of 23331113223113 is 31132231113332.

It can be written as a sum of positive squares in 4 ways, for example, as 1382759624464 + 21948353598649 = 1175908^2 + 4684907^2 .

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 23331113223113 - 24 = 23331113223097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (23331113223193) 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, 778883108 + ... + 778913061.

It is an arithmetic number, because the mean of its divisors is an integer number (3091446499365).

Almost surely, 223331113223113 is an apocalyptic number.

It is an amenable number.

23331113223113 is a deficient number, since it is larger than the sum of its proper divisors (1400458771807).

23331113223113 is a wasteful number, since it uses less digits than its factorization.

23331113223113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1557797067.

The product of its digits is 5832, while the sum is 29.

Adding to 23331113223113 its reverse (31132231113332), we get a palindrome (54463344336445).

The spelling of 23331113223113 in words is "twenty-three trillion, three hundred thirty-one billion, one hundred thirteen million, two hundred twenty-three thousand, one hundred thirteen".

Divisors: 1 17 881 14977 1557796169 26482534873 1372418424889 23331113223113