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2118835244 = 223161280121
BaseRepresentation
bin111111001001010…
…1101110000101100
312110122221222112102
41332102231300230
513314410211434
6550125554232
7103335542141
oct17622556054
95418858472
102118835244
11998033309
124b1715978
13279c84086
141615903c8
15c603807e
hex7e4adc2c

2118835244 has 24 divisors (see below), whose sum is σ = 3890334336. Its totient is φ = 1008432000.

The previous prime is 2118835223. The next prime is 2118835249. The reversal of 2118835244 is 4425388112.

It is a junction number, because it is equal to n+sod(n) for n = 2118835198 and 2118835207.

It is not an unprimeable number, because it can be changed into a prime (2118835249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132497 + ... + 147624.

It is an arithmetic number, because the mean of its divisors is an integer number (162097264).

Almost surely, 22118835244 is an apocalyptic number.

It is an amenable number.

2118835244 is a deficient number, since it is larger than the sum of its proper divisors (1771499092).

2118835244 is a wasteful number, since it uses less digits than its factorization.

2118835244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280217 (or 280215 counting only the distinct ones).

The product of its digits is 61440, while the sum is 38.

The square root of 2118835244 is about 46030.8075532029. The cubic root of 2118835244 is about 1284.3963500803.

The spelling of 2118835244 in words is "two billion, one hundred eighteen million, eight hundred thirty-five thousand, two hundred forty-four".

Divisors: 1 2 4 31 61 62 122 124 244 1891 3782 7564 280121 560242 1120484 8683751 17087381 17367502 34174762 34735004 68349524 529708811 1059417622 2118835244