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1244104111 = 1874366377
BaseRepresentation
bin100101000100111…
…1000010110101111
310012201000001000001
41022021320112233
510021442312421
6323241245131
742554465455
oct11211702657
93181001001
101244104111
1158929a918
122a87937a7
1316a9970a3
14bb3309d5
157434d691
hex4a2785af

1244104111 has 4 divisors (see below), whose sum is σ = 1244189232. Its totient is φ = 1244018992.

The previous prime is 1244104093. The next prime is 1244104117. The reversal of 1244104111 is 1114014421.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1244104111 - 211 = 1244102063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244104117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14446 + ... + 51931.

It is an arithmetic number, because the mean of its divisors is an integer number (311047308).

Almost surely, 21244104111 is an apocalyptic number.

1244104111 is a deficient number, since it is larger than the sum of its proper divisors (85121).

1244104111 is an equidigital number, since it uses as much as digits as its factorization.

1244104111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85120.

The product of its (nonzero) digits is 128, while the sum is 19.

The square root of 1244104111 is about 35271.8600445171. The cubic root of 1244104111 is about 1075.5210341724.

Adding to 1244104111 its reverse (1114014421), we get a palindrome (2358118532).

The spelling of 1244104111 in words is "one billion, two hundred forty-four million, one hundred four thousand, one hundred eleven".

Divisors: 1 18743 66377 1244104111