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10223143444 = 226593878279
BaseRepresentation
bin10011000010101100…
…01100101000010100
3222101110122111101101
421201112030220110
5131414111042234
64410233235444
7511224166633
oct114126145024
928343574341
1010223143444
114376774a88
121b93862b84
13c6bcb8907
146cda4b51a
153ec789814
hex26158ca14

10223143444 has 12 divisors (see below), whose sum is σ = 17917653600. Its totient is φ = 5103813848.

The previous prime is 10223143433. The next prime is 10223143457. The reversal of 10223143444 is 44434132201.

It is a super-2 number, since 2×102231434442 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 1936504 + ... + 1941775.

It is an arithmetic number, because the mean of its divisors is an integer number (1493137800).

Almost surely, 210223143444 is an apocalyptic number.

It is an amenable number.

10223143444 is a deficient number, since it is larger than the sum of its proper divisors (7694510156).

10223143444 is a wasteful number, since it uses less digits than its factorization.

10223143444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3878942 (or 3878940 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 10223143444 its reverse (44434132201), we get a palindrome (54657275645).

The spelling of 10223143444 in words is "ten billion, two hundred twenty-three million, one hundred forty-three thousand, four hundred forty-four".

Divisors: 1 2 4 659 1318 2636 3878279 7756558 15513116 2555785861 5111571722 10223143444