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2123212041 = 332331110291
BaseRepresentation
bin111111010001101…
…1010010100001001
312110222012100101000
41332203122110021
513322020241131
6550403445213
7103421001366
oct17643322411
95428170330
102123212041
1199a5526a5
124b3086809
1327ab572b2
14161dad46d
15c65eece6
hex7e8da509

2123212041 has 32 divisors (see below), whose sum is σ = 3388170240. Its totient is φ = 1310245200.

The previous prime is 2123212009. The next prime is 2123212043. The reversal of 2123212041 is 1402123212.

It is a happy number.

It is not a de Polignac number, because 2123212041 - 25 = 2123212009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2123212043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35895 + ... + 74396.

It is an arithmetic number, because the mean of its divisors is an integer number (105880320).

Almost surely, 22123212041 is an apocalyptic number.

It is an amenable number.

2123212041 is a deficient number, since it is larger than the sum of its proper divisors (1264958199).

2123212041 is a wasteful number, since it uses less digits than its factorization.

2123212041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110354 (or 110348 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 2123212041 is about 46078.3250672157. The cubic root of 2123212041 is about 1285.2801179914.

Adding to 2123212041 its reverse (1402123212), we get a palindrome (3525335253).

The spelling of 2123212041 in words is "two billion, one hundred twenty-three million, two hundred twelve thousand, forty-one".

Divisors: 1 3 9 23 27 31 69 93 207 279 621 713 837 2139 6417 19251 110291 330873 992619 2536693 2977857 3419021 7610079 10257063 22830237 30771189 68490711 78637483 92313567 235912449 707737347 2123212041