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2331421201 = 19137895667
BaseRepresentation
bin1000101011110110…
…1010101000010001
320000110222110122101
42022331222220101
514233320434301
61023202240401
7111526516234
oct21275525021
96013873571
102331421201
11a9703228a
12550956101
132b2026c95
141818cb41b
15d9a2b701
hex8af6aa11

2331421201 has 8 divisors (see below), whose sum is σ = 2472043680. Its totient is φ = 2192590368.

The previous prime is 2331421189. The next prime is 2331421283. The reversal of 2331421201 is 1021241332.

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-2331421201 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2331421801) 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, 445231 + ... + 450436.

It is an arithmetic number, because the mean of its divisors is an integer number (309005460).

Almost surely, 22331421201 is an apocalyptic number.

It is an amenable number.

2331421201 is a deficient number, since it is larger than the sum of its proper divisors (140622479).

2331421201 is a wasteful number, since it uses less digits than its factorization.

2331421201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 895823.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 2331421201 is about 48284.7926473750. The cubic root of 2331421201 is about 1325.9899948589.

Adding to 2331421201 its reverse (1021241332), we get a palindrome (3352662533).

The spelling of 2331421201 in words is "two billion, three hundred thirty-one million, four hundred twenty-one thousand, two hundred one".

Divisors: 1 19 137 2603 895667 17017673 122706379 2331421201