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2142124300 = 225221421243
BaseRepresentation
bin111111110101110…
…0011100100001100
312112021210012010001
41333223203210030
513341340434200
6552321054044
7104040520231
oct17753434414
95467705101
102142124300
119aa19a768
124b9487324
13281a49594
141646d3788
15c80d876a
hex7fae390c

2142124300 has 18 divisors (see below), whose sum is σ = 4648409948. Its totient is φ = 856849680.

The previous prime is 2142124289. The next prime is 2142124301. The reversal of 2142124300 is 34212412.

It is not an unprimeable number, because it can be changed into a prime (2142124301) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10710522 + ... + 10710721.

Almost surely, 22142124300 is an apocalyptic number.

2142124300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2142124300 is an abundant number, since it is smaller than the sum of its proper divisors (2506285648).

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

2142124300 is a wasteful number, since it uses less digits than its factorization.

2142124300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21421257 (or 21421250 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2142124300 is about 46283.0887041909. The cubic root of 2142124300 is about 1289.0850030501.

Adding to 2142124300 its reverse (34212412), we get a palindrome (2176336712).

The spelling of 2142124300 in words is "two billion, one hundred forty-two million, one hundred twenty-four thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 21421243 42842486 85684972 107106215 214212430 428424860 535531075 1071062150 2142124300