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2231523043 = 23527918379
BaseRepresentation
bin1000010100000010…
…0101011011100011
312202112000010010121
42011000211123203
514032232214133
61005233141111
7106204430041
oct20500453343
95675003117
102231523043
11a45700322
125233ba797
1329741a949
14172525391
15d0d9702d
hex850256e3

2231523043 has 8 divisors (see below), whose sum is σ = 2329113600. Its totient is φ = 2133979848.

The previous prime is 2231523023. The next prime is 2231523061. The reversal of 2231523043 is 3403251322.

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 2231523043 - 217 = 2231391971 is a prime.

It is a super-3 number, since 3×22315230433 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2231522999 and 2231523017.

It is not an unprimeable number, because it can be changed into a prime (2231523023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112228 + ... + 130606.

It is an arithmetic number, because the mean of its divisors is an integer number (291139200).

Almost surely, 22231523043 is an apocalyptic number.

2231523043 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2231523043 is a deficient number, since it is larger than the sum of its proper divisors (97590557).

2231523043 is a wasteful number, since it uses less digits than its factorization.

2231523043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23681.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 2231523043 is about 47238.9991744110. Note that the first 3 decimals coincide. The cubic root of 2231523043 is about 1306.7739204690.

Adding to 2231523043 its reverse (3403251322), we get a palindrome (5634774365).

The spelling of 2231523043 in words is "two billion, two hundred thirty-one million, five hundred twenty-three thousand, forty-three".

Divisors: 1 23 5279 18379 121417 422717 97022741 2231523043