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1244412103 = 11113128373
BaseRepresentation
bin100101000101100…
…0011100011000111
310012201120200111011
41022023003203013
510022032141403
6323252023051
742560220424
oct11213034307
93181520434
101244412103
11589490260
122a8901a87
1316aa7432c
14bb3b0d4b
15743aea6d
hex4a2c38c7

1244412103 has 4 divisors (see below), whose sum is σ = 1357540488. Its totient is φ = 1131283720.

The previous prime is 1244412097. The next prime is 1244412109. The reversal of 1244412103 is 3012144421.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1244412097) and next prime (1244412109).

It is a cyclic number.

It is not a de Polignac number, because 1244412103 - 213 = 1244403911 is a prime.

It is a super-2 number, since 2×12444121032 = 3097122964185765218, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244412109) 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, 56564176 + ... + 56564197.

It is an arithmetic number, because the mean of its divisors is an integer number (339385122).

Almost surely, 21244412103 is an apocalyptic number.

1244412103 is a deficient number, since it is larger than the sum of its proper divisors (113128385).

1244412103 is a wasteful number, since it uses less digits than its factorization.

1244412103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113128384.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1244412103 is about 35276.2257476618. The cubic root of 1244412103 is about 1075.6097793024.

Adding to 1244412103 its reverse (3012144421), we get a palindrome (4256556524).

The spelling of 1244412103 in words is "one billion, two hundred forty-four million, four hundred twelve thousand, one hundred three".

Divisors: 1 11 113128373 1244412103