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2124030042 = 2321274212207
BaseRepresentation
bin111111010011010…
…0010000001011010
312111000201220110100
41332212202001122
513322222430132
6550433200230
7103430646261
oct17646420132
95430656410
102124030042
1199aa61232
124b3400076
1327b082714
141621435d8
15c671237c
hex7e9a205a

2124030042 has 48 divisors (see below), whose sum is σ = 4651425792. Its totient is φ = 700449120.

The previous prime is 2124030037. The next prime is 2124030043. The reversal of 2124030042 is 2400304212.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2124029997 and 2124030024.

It is not an unprimeable number, because it can be changed into a prime (2124030043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 961303 + ... + 963509.

It is an arithmetic number, because the mean of its divisors is an integer number (96904704).

Almost surely, 22124030042 is an apocalyptic number.

2124030042 is an abundant number, since it is smaller than the sum of its proper divisors (2527395750).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2124030042 is a wasteful number, since it uses less digits than its factorization.

2124030042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2763 (or 2760 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2124030042 is about 46087.2004139978. The cubic root of 2124030042 is about 1285.4451549594.

Adding to 2124030042 its reverse (2400304212), we get a palindrome (4524334254).

The spelling of 2124030042 in words is "two billion, one hundred twenty-four million, thirty thousand, forty-two".

Divisors: 1 2 3 6 9 18 127 254 381 421 762 842 1143 1263 2207 2286 2526 3789 4414 6621 7578 13242 19863 39726 53467 106934 160401 280289 320802 481203 560578 840867 929147 962406 1681734 1858294 2522601 2787441 5045202 5574882 8362323 16724646 118001669 236003338 354005007 708010014 1062015021 2124030042