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2127342020 = 225791346419
BaseRepresentation
bin111111011001100…
…1010100111000100
312111020222011122012
41332303022213010
513324044421040
6551032153352
7103501052216
oct17663124704
95436864565
102127342020
119a1913601
124b4538858
1327b97207b
141627665b6
15c6b68865
hex7ecca9c4

2127342020 has 24 divisors (see below), whose sum is σ = 4523971200. Its totient is φ = 840164832.

The previous prime is 2127342001. The next prime is 2127342079. The reversal of 2127342020 is 202437212.

It is a happy number.

It is an unprimeable number.

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, 671630 + ... + 674789.

It is an arithmetic number, because the mean of its divisors is an integer number (188498800).

Almost surely, 22127342020 is an apocalyptic number.

2127342020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2127342020 is an abundant number, since it is smaller than the sum of its proper divisors (2396629180).

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

2127342020 is a wasteful number, since it uses less digits than its factorization.

2127342020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1346507 (or 1346505 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 2127342020 is about 46123.1180645888. The cubic root of 2127342020 is about 1286.1129350884.

Adding to 2127342020 its reverse (202437212), we get a palindrome (2329779232).

The spelling of 2127342020 in words is "two billion, one hundred twenty-seven million, three hundred forty-two thousand, twenty".

Divisors: 1 2 4 5 10 20 79 158 316 395 790 1580 1346419 2692838 5385676 6732095 13464190 26928380 106367101 212734202 425468404 531835505 1063671010 2127342020