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2120300838 = 2322911513529
BaseRepresentation
bin111111001100001…
…0011100100100110
312110202201102221200
41332120103210212
513320244111323
6550221223330
7103354155045
oct17630234446
95422642850
102120300838
11998944447
124b2101b46
1327a3781a6
1416185255c
15c6227443
hex7e613926

2120300838 has 48 divisors (see below), whose sum is σ = 4757875200. Its totient is φ = 681609600.

The previous prime is 2120300837. The next prime is 2120300849. The reversal of 2120300838 is 8380030212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120300837) 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, 599058 + ... + 602586.

It is an arithmetic number, because the mean of its divisors is an integer number (99122400).

Almost surely, 22120300838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2120300838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2378937600).

2120300838 is an abundant number, since it is smaller than the sum of its proper divisors (2637574362).

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

2120300838 is a wasteful number, since it uses less digits than its factorization.

2120300838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4717 (or 4714 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 2120300838 is about 46046.7245089159. The cubic root of 2120300838 is about 1284.6924199357.

The spelling of 2120300838 in words is "two billion, one hundred twenty million, three hundred thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 9 18 29 58 87 174 261 522 1151 2302 3453 3529 6906 7058 10359 10587 20718 21174 31761 33379 63522 66758 100137 102341 200274 204682 300411 307023 600822 614046 921069 1842138 4061879 8123758 12185637 24371274 36556911 73113822 117794491 235588982 353383473 706766946 1060150419 2120300838