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2320011221 = 11271977569
BaseRepresentation
bin1000101001001000…
…1000111111010101
312222200111210002112
42022102020333111
514222410324341
61022113520405
7111330525053
oct21222107725
95880453075
102320011221
11a90649850
12548b73105
132ac860708
1418019b1d3
15d8a25aeb
hex8a488fd5

2320011221 has 8 divisors (see below), whose sum is σ = 2531884800. Its totient is φ = 2108298240.

The previous prime is 2320011181. The next prime is 2320011251. The reversal of 2320011221 is 1221100232.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2320011221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2320011196 and 2320011205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2320011251) 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, 8876 + ... + 68693.

It is an arithmetic number, because the mean of its divisors is an integer number (316485600).

Almost surely, 22320011221 is an apocalyptic number.

It is an amenable number.

2320011221 is a deficient number, since it is larger than the sum of its proper divisors (211873579).

2320011221 is a wasteful number, since it uses less digits than its factorization.

2320011221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80299.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2320011221 is about 48166.4947966945. The cubic root of 2320011221 is about 1323.8233238831.

Adding to 2320011221 its reverse (1221100232), we get a palindrome (3541111453).

It can be divided in two parts, 2320011 and 221, that added together give a palindrome (2320232).

The spelling of 2320011221 in words is "two billion, three hundred twenty million, eleven thousand, two hundred twenty-one".

Divisors: 1 11 2719 29909 77569 853259 210910111 2320011221