Search a number
-
+
23303014231 = 73177015701
BaseRepresentation
bin10101101100111101…
…111100011101010111
32020011000201202222011
4111230331330131113
5340211032423411
614412200245051
71453320232000
oct255475743527
966130652864
1023303014231
119978a42552
124624170787
132274aa3c23
1411b0c481a7
15915c16c21
hex56cf7c757

23303014231 has 32 divisors (see below), whose sum is σ = 28820188800. Its totient is φ = 18768960000.

The previous prime is 23303014201. The next prime is 23303014277. The reversal of 23303014231 is 13241030332.

It is not a de Polignac number, because 23303014231 - 27 = 23303014103 is a prime.

It is a super-2 number, since 2×233030142312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23303014201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4084681 + ... + 4090381.

It is an arithmetic number, because the mean of its divisors is an integer number (900630900).

Almost surely, 223303014231 is an apocalyptic number.

23303014231 is a deficient number, since it is larger than the sum of its proper divisors (5517174569).

23303014231 is an equidigital number, since it uses as much as digits as its factorization.

23303014231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6440 (or 6426 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 23303014231 its reverse (13241030332), we get a palindrome (36544044563).

The spelling of 23303014231 in words is "twenty-three billion, three hundred three million, fourteen thousand, two hundred thirty-one".

Divisors: 1 7 17 49 119 343 701 833 4907 5701 5831 11917 34349 39907 83419 96917 240443 279349 583933 678419 1955443 3996401 4087531 4748933 27974807 33242531 67938817 195823649 475571719 1370765543 3329002033 23303014231