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2130120201 = 31164549097
BaseRepresentation
bin111111011110111…
…0000111000001001
312111110012022120210
41332331300320021
513330302321301
6551211511333
7103533502656
oct17675607011
95443168523
102130120201
119a3440920
124b5458549
1327c405771
14162c8ac2d
15c7016ad6
hex7ef70e09

2130120201 has 8 divisors (see below), whose sum is σ = 3098356704. Its totient is φ = 1290981920.

The previous prime is 2130120127. The next prime is 2130120211. The reversal of 2130120201 is 1020210312.

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

It is a cyclic number.

It is not a de Polignac number, because 2130120201 - 211 = 2130118153 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2130120211) 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, 32274516 + ... + 32274581.

It is an arithmetic number, because the mean of its divisors is an integer number (387294588).

Almost surely, 22130120201 is an apocalyptic number.

It is an amenable number.

2130120201 is a deficient number, since it is larger than the sum of its proper divisors (968236503).

2130120201 is a wasteful number, since it uses less digits than its factorization.

2130120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64549111.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2130120201 is about 46153.2252502466. The cubic root of 2130120201 is about 1286.6725536509.

Adding to 2130120201 its reverse (1020210312), we get a palindrome (3150330513).

The spelling of 2130120201 in words is "two billion, one hundred thirty million, one hundred twenty thousand, two hundred one".

Divisors: 1 3 11 33 64549097 193647291 710040067 2130120201