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23231150444 = 2244912934939
BaseRepresentation
bin10101101000101011…
…110011100101101100
32012222000111201101102
4111220223303211230
5340034133303234
614401112102232
71451455343405
oct255053634554
965860451342
1023231150444
119941419197
124604094978
132262c31c88
1411a549c9ac
1590e76dc7e
hex568af396c

23231150444 has 12 divisors (see below), whose sum is σ = 40745061000. Its totient is φ = 11589704448.

The previous prime is 23231150441. The next prime is 23231150477. The reversal of 23231150444 is 44405113232.

It is a super-2 number, since 2×232311504442 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23231150441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6465674 + ... + 6469265.

It is an arithmetic number, because the mean of its divisors is an integer number (3395421750).

Almost surely, 223231150444 is an apocalyptic number.

It is an amenable number.

23231150444 is a deficient number, since it is larger than the sum of its proper divisors (17513910556).

23231150444 is a wasteful number, since it uses less digits than its factorization.

23231150444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12935392 (or 12935390 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 23231150444 its reverse (44405113232), we get a palindrome (67636263676).

The spelling of 23231150444 in words is "twenty-three billion, two hundred thirty-one million, one hundred fifty thousand, four hundred forty-four".

Divisors: 1 2 4 449 898 1796 12934939 25869878 51739756 5807787611 11615575222 23231150444