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2120212030 = 25212021203
BaseRepresentation
bin111111001011111…
…1101111000111110
312110202112221010111
41332113331320332
513320233241110
6550215300234
7103353335116
oct17627757076
95422487114
102120212030
11998893752
124b207a67a
1327a346941
1416182c046
15c620ae8a
hex7e5fde3e

2120212030 has 8 divisors (see below), whose sum is σ = 3816381672. Its totient is φ = 848084808.

The previous prime is 2120212019. The next prime is 2120212063. The reversal of 2120212030 is 302120212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2120212030.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106010592 + ... + 106010611.

It is an arithmetic number, because the mean of its divisors is an integer number (477047709).

Almost surely, 22120212030 is an apocalyptic number.

2120212030 is a deficient number, since it is larger than the sum of its proper divisors (1696169642).

2120212030 is a wasteful number, since it uses less digits than its factorization.

2120212030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212021210.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2120212030 is about 46045.7601739834. The cubic root of 2120212030 is about 1284.6744833996.

Adding to 2120212030 its reverse (302120212), we get a palindrome (2422332242).

The spelling of 2120212030 in words is "two billion, one hundred twenty million, two hundred twelve thousand, thirty".

Divisors: 1 2 5 10 212021203 424042406 1060106015 2120212030