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1111103444 = 2211411573923
BaseRepresentation
bin100001000111010…
…0001011111010100
32212102201220101102
41002032201133110
54233420302234
6302130445232
736351136433
oct10216413724
92772656342
101111103444
11520209510
12270133818
1314926a879
14a77cd11a
156782ac7e
hex423a17d4

1111103444 has 48 divisors (see below), whose sum is σ = 2187331776. Its totient is φ = 489465600.

The previous prime is 1111103437. The next prime is 1111103449. The reversal of 1111103444 is 4443011111.

It is a super-2 number, since 2×11111034442 = 2469101726537322272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111103449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 281267 + ... + 285189.

It is an arithmetic number, because the mean of its divisors is an integer number (45569412).

Almost surely, 21111103444 is an apocalyptic number.

It is an amenable number.

1111103444 is a deficient number, since it is larger than the sum of its proper divisors (1076228332).

1111103444 is a wasteful number, since it uses less digits than its factorization.

1111103444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4136 (or 4134 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 1111103444 is about 33333.2183264683. The cubic root of 1111103444 is about 1035.7417862961.

Adding to 1111103444 its reverse (4443011111), we get a palindrome (5554114555).

The spelling of 1111103444 in words is "one billion, one hundred eleven million, one hundred three thousand, four hundred forty-four".

Divisors: 1 2 4 11 22 41 44 82 157 164 314 451 628 902 1727 1804 3454 3923 6437 6908 7846 12874 15692 25748 43153 70807 86306 141614 160843 172612 283228 321686 615911 643372 1231822 1769273 2463644 3538546 6775021 7077092 13550042 25252351 27100084 50504702 101009404 277775861 555551722 1111103444