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2122103444 = 22530525861
BaseRepresentation
bin111111001111100…
…1011101010010100
312110220010000122212
41332133023222110
513321224302234
6550324012552
7103405403336
oct17637135224
95426100585
102122103444
119999657aa
124b2831158
1327a859816
14161ba1456
15c64815ce
hex7e7cba94

2122103444 has 6 divisors (see below), whose sum is σ = 3713681034. Its totient is φ = 1061051720.

The previous prime is 2122103437. The next prime is 2122103447. The reversal of 2122103444 is 4443012212.

It can be written as a sum of positive squares in only one way, i.e., 2067520900 + 54582544 = 45470^2 + 7388^2 .

It is a super-2 number, since 2×21221034442 = 9006646054073322272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122103447) 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 as a sum of consecutive naturals, namely, 265262927 + ... + 265262934.

It is an arithmetic number, because the mean of its divisors is an integer number (618946839).

Almost surely, 22122103444 is an apocalyptic number.

It is an amenable number.

2122103444 is a deficient number, since it is larger than the sum of its proper divisors (1591577590).

2122103444 is a wasteful number, since it uses less digits than its factorization.

2122103444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530525865 (or 530525863 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2122103444 is about 46066.2940119997. The cubic root of 2122103444 is about 1285.0563837442.

Adding to 2122103444 its reverse (4443012212), we get a palindrome (6565115656).

The spelling of 2122103444 in words is "two billion, one hundred twenty-two million, one hundred three thousand, four hundred forty-four".

Divisors: 1 2 4 530525861 1061051722 2122103444