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2130321201 = 34759256079
BaseRepresentation
bin111111011111010…
…0001111100110001
312111110120112022020
41332332201330301
513330330234301
6551220102053
7103535300661
oct17676417461
95443515266
102130321201
119a3568938
124b5534929
1327c4760b8
14162d001a1
15c7056436
hex7efa1f31

2130321201 has 16 divisors (see below), whose sum is σ = 2950041600. Its totient is φ = 1366432208.

The previous prime is 2130321191. The next prime is 2130321217. The reversal of 2130321201 is 1021230312.

It is a cyclic number.

It is not a de Polignac number, because 2130321201 - 25 = 2130321169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2130321251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119721 + ... + 136358.

It is an arithmetic number, because the mean of its divisors is an integer number (184377600).

Almost surely, 22130321201 is an apocalyptic number.

It is an amenable number.

2130321201 is a deficient number, since it is larger than the sum of its proper divisors (819720399).

2130321201 is a wasteful number, since it uses less digits than its factorization.

2130321201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256188.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2130321201 is about 46155.4027281747. The cubic root of 2130321201 is about 1286.7130228928.

Adding to 2130321201 its reverse (1021230312), we get a palindrome (3151551513).

The spelling of 2130321201 in words is "two billion, one hundred thirty million, three hundred twenty-one thousand, two hundred one".

Divisors: 1 3 47 59 141 177 2773 8319 256079 768237 12035713 15108661 36107139 45325983 710107067 2130321201