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2100124330 = 25257817169
BaseRepresentation
bin111110100101101…
…0101101010101010
312102100202100222121
41331023111222222
513300112434310
6544220541454
7103020522313
oct17513255252
95370670877
102100124330
11988513547
124a73b188a
13276132625
1415ccbd60a
15c458e0da
hex7d2d5aaa

2100124330 has 16 divisors (see below), whose sum is σ = 3794937480. Its totient is φ = 836780032.

The previous prime is 2100124307. The next prime is 2100124337. The reversal of 2100124330 is 334210012.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1862871921 + 237252409 = 43161^2 + 15403^2 .

It is not an unprimeable number, because it can be changed into a prime (2100124337) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 406015 + ... + 411154.

Almost surely, 22100124330 is an apocalyptic number.

2100124330 is a deficient number, since it is larger than the sum of its proper divisors (1694813150).

2100124330 is a wasteful number, since it uses less digits than its factorization.

2100124330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817433.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2100124330 is about 45827.1134809951. The cubic root of 2100124330 is about 1280.6044366170.

Adding to 2100124330 its reverse (334210012), we get a palindrome (2434334342).

The spelling of 2100124330 in words is "two billion, one hundred million, one hundred twenty-four thousand, three hundred thirty".

Divisors: 1 2 5 10 257 514 1285 2570 817169 1634338 4085845 8171690 210012433 420024866 1050062165 2100124330