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121244444 = 2275140361
BaseRepresentation
bin1110011101000…
…00101100011100
322110010212002222
413032200230130
5222014310234
620010404512
73001363226
oct716405434
9273125088
10121244444
1162491822
1234730738
131c171499
1412161416
15a99e42e
hex73a0b1c

121244444 has 12 divisors (see below), whose sum is σ = 212465568. Its totient is φ = 60540000.

The previous prime is 121244423. The next prime is 121244521. The reversal of 121244444 is 444442121.

It is a nude number because it is divisible by every one of its digits.

121244444 is a modest number, since divided by 44444 gives 1212 as remainder.

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, 17177 + ... + 23184.

It is an arithmetic number, because the mean of its divisors is an integer number (17705464).

Almost surely, 2121244444 is an apocalyptic number.

It is an amenable number.

121244444 is a deficient number, since it is larger than the sum of its proper divisors (91221124).

121244444 is a wasteful number, since it uses less digits than its factorization.

121244444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41116 (or 41114 counting only the distinct ones).

The product of its digits is 4096, while the sum is 26.

The square root of 121244444 is about 11011.1054849184. The cubic root of 121244444 is about 494.9415895435.

Adding to 121244444 its reverse (444442121), we get a palindrome (565686565).

The spelling of 121244444 in words is "one hundred twenty-one million, two hundred forty-four thousand, four hundred forty-four".

Divisors: 1 2 4 751 1502 3004 40361 80722 161444 30311111 60622222 121244444