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2111124212 = 221314028863
BaseRepresentation
bin111110111010101…
…0011001011110100
312110010110012222122
41331311103023310
513310421433322
6545252415112
7103213155041
oct17565231364
95403405878
102111124212
1199374695a
124ab017498
132784b4332
141605441c8
15c5513442
hex7dd532f4

2111124212 has 12 divisors (see below), whose sum is σ = 3722670336. Its totient is φ = 1047504120.

The previous prime is 2111124203. The next prime is 2111124229. The reversal of 2111124212 is 2124211112.

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

It is a congruent number.

It is an unprimeable number.

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, 2013908 + ... + 2014955.

It is an arithmetic number, because the mean of its divisors is an integer number (310222528).

Almost surely, 22111124212 is an apocalyptic number.

It is an amenable number.

2111124212 is a deficient number, since it is larger than the sum of its proper divisors (1611546124).

2111124212 is a wasteful number, since it uses less digits than its factorization.

2111124212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4028998 (or 4028996 counting only the distinct ones).

The product of its digits is 64, while the sum is 17.

The square root of 2111124212 is about 45946.9717391691. The cubic root of 2111124212 is about 1282.8363640404.

Adding to 2111124212 its reverse (2124211112), we get a palindrome (4235335324).

The spelling of 2111124212 in words is "two billion, one hundred eleven million, one hundred twenty-four thousand, two hundred twelve".

Divisors: 1 2 4 131 262 524 4028863 8057726 16115452 527781053 1055562106 2111124212