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23220231344 = 248211767679
BaseRepresentation
bin10101101000000010…
…001001110010110000
32012221020221222012022
4111220002021302300
5340023334400334
614400042051012
71451263465322
oct255002116260
965836858168
1023220231344
119936240542
1246004a9a68
1322608aac7b
1411a3c59612
1590d81382e
hex568089cb0

23220231344 has 20 divisors (see below), whose sum is σ = 45044021760. Its totient is φ = 11595967680.

The previous prime is 23220231343. The next prime is 23220231367. The reversal of 23220231344 is 44313202232.

It is not an unprimeable number, because it can be changed into a prime (23220231343) 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 3 ways as a sum of consecutive naturals, for example, 870704 + ... + 896975.

It is an arithmetic number, because the mean of its divisors is an integer number (2252201088).

Almost surely, 223220231344 is an apocalyptic number.

It is an amenable number.

23220231344 is a deficient number, since it is larger than the sum of its proper divisors (21823790416).

23220231344 is a wasteful number, since it uses less digits than its factorization.

23220231344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1768508 (or 1768502 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 26.

Adding to 23220231344 its reverse (44313202232), we get a palindrome (67533433576).

The spelling of 23220231344 in words is "twenty-three billion, two hundred twenty million, two hundred thirty-one thousand, three hundred forty-four".

Divisors: 1 2 4 8 16 821 1642 3284 6568 13136 1767679 3535358 7070716 14141432 28282864 1451264459 2902528918 5805057836 11610115672 23220231344