Search a number
-
+
23016443662281 = 319656476151039
BaseRepresentation
bin1010011101110111011101…
…11100101100111111001001
310000111100110112101101010210
411032323232330230333021
511004100134034143111
6120541335214231333
74563611634061236
oct516735674547711
9100440415341123
1023016443662281
117374245456653
1226b88a84b5549
13cac597787c04
14598004db478d
1529da9d00b0a6
hex14eeeef2cfc9

23016443662281 has 16 divisors (see below), whose sum is σ = 32304277913600. Its totient is φ = 14536477459728.

The previous prime is 23016443662229. The next prime is 23016443662351. The reversal of 23016443662281 is 18226634461032.

It is a happy number.

It is not a de Polignac number, because 23016443662281 - 219 = 23016443137993 is a prime.

It is a super-2 number, since 2×230164436622812 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 23016443662281.

It is not an unprimeable number, because it can be changed into a prime (23016443662781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 666360 + ... + 6817398.

It is an arithmetic number, because the mean of its divisors is an integer number (2019017369600).

Almost surely, 223016443662281 is an apocalyptic number.

It is an amenable number.

23016443662281 is a deficient number, since it is larger than the sum of its proper divisors (9287834251319).

23016443662281 is a wasteful number, since it uses less digits than its factorization.

23016443662281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6216708.

The product of its (nonzero) digits is 1990656, while the sum is 48.

The spelling of 23016443662281 in words is "twenty-three trillion, sixteen billion, four hundred forty-three million, six hundred sixty-two thousand, two hundred eighty-one".

Divisors: 1 3 19 57 65647 196941 1247293 3741879 6151039 18453117 116869741 350609223 403797257233 1211391771699 7672147887427 23016443662281