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223444212043 = 13172364767943
BaseRepresentation
bin1101000000011001010…
…0000001100101001011
3210100202012201001110011
43100012110001211023
512130103204241133
6250352052532351
722100104315303
oct3200624014513
9710665631404
10223444212043
1186842483758
123737b0210b7
13180bc42c6b0
14ab599a2603
155c2b77c6cd
hex340650194b

223444212043 has 32 divisors (see below), whose sum is σ = 266279602176. Its totient is φ = 185393607168.

The previous prime is 223444212023. The next prime is 223444212067. The reversal of 223444212043 is 340212444322.

It is not a de Polignac number, because 223444212043 - 25 = 223444212011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223444211996 and 223444212014.

It is not an unprimeable number, because it can be changed into a prime (223444212023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3254730 + ... + 3322672.

It is an arithmetic number, because the mean of its divisors is an integer number (8321237568).

Almost surely, 2223444212043 is an apocalyptic number.

223444212043 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

223444212043 is a deficient number, since it is larger than the sum of its proper divisors (42835390133).

223444212043 is a wasteful number, since it uses less digits than its factorization.

223444212043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68643.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 223444212043 its reverse (340212444322), we get a palindrome (563656656365).

The spelling of 223444212043 in words is "two hundred twenty-three billion, four hundred forty-four million, two hundred twelve thousand, forty-three".

Divisors: 1 13 17 23 221 299 391 647 5083 8411 10999 14881 67943 142987 193453 252977 883259 1155031 1562689 3288701 15015403 20314957 26565713 43959121 345354269 571468573 747305057 1011059783 9714965741 13143777179 17188016311 223444212043