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2121044030 = 25730300629
BaseRepresentation
bin111111001101100…
…1001000000111110
312110211010012102022
41332123021000332
513320441402110
6550245200142
7103363401560
oct17633110076
95424105368
102121044030
11999301856
124b2400052
1327a578551
141619a7330
15c6322755
hex7e6c903e

2121044030 has 16 divisors (see below), whose sum is σ = 4363290720. Its totient is φ = 727215072.

The previous prime is 2121044017. The next prime is 2121044033. The reversal of 2121044030 is 304401212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121044033) by changing a digit.

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, 15150245 + ... + 15150384.

It is an arithmetic number, because the mean of its divisors is an integer number (272705670).

Almost surely, 22121044030 is an apocalyptic number.

2121044030 is an abundant number, since it is smaller than the sum of its proper divisors (2242246690).

2121044030 is a wasteful number, since it uses less digits than its factorization.

2121044030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30300643.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 2121044030 is about 46054.7937787154. The cubic root of 2121044030 is about 1284.8425026630.

Adding to 2121044030 its reverse (304401212), we get a palindrome (2425445242).

The spelling of 2121044030 in words is "two billion, one hundred twenty-one million, forty-four thousand, thirty".

Divisors: 1 2 5 7 10 14 35 70 30300629 60601258 151503145 212104403 303006290 424208806 1060522015 2121044030