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2111130044 = 221114947339
BaseRepresentation
bin111110111010101…
…0100100110111100
312110010110111222122
41331311110212330
513310422130134
6545252502112
7103213211042
oct17565244674
95403414878
102111130044
11993750281
124ab01a938
132784b6b9a
14160546392
15c551502e
hex7dd549bc

2111130044 has 12 divisors (see below), whose sum is σ = 3694887000. Its totient is φ = 1055448048.

The previous prime is 2111130041. The next prime is 2111130061. The reversal of 2111130044 is 4400311112.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111130041) 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 in 3 ways as a sum of consecutive naturals, for example, 20927 + ... + 68265.

It is an arithmetic number, because the mean of its divisors is an integer number (307907250).

Almost surely, 22111130044 is an apocalyptic number.

It is an amenable number.

2111130044 is a deficient number, since it is larger than the sum of its proper divisors (1583756956).

2111130044 is a wasteful number, since it uses less digits than its factorization.

2111130044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58492 (or 58490 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 2111130044 is about 45947.0352035907. The cubic root of 2111130044 is about 1282.8375453217.

Adding to 2111130044 its reverse (4400311112), we get a palindrome (6511441156).

The spelling of 2111130044 in words is "two billion, one hundred eleven million, one hundred thirty thousand, forty-four".

Divisors: 1 2 4 11149 22298 44596 47339 94678 189356 527782511 1055565022 2111130044