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2232312402121 = 2785438014247
BaseRepresentation
bin100000011111000000001…
…100000001000011001001
321220101222200121122012121
4200133000030001003021
5243033233433331441
64425302110011241
7320164532225044
oct40370014010311
97811880548177
102232312402121
1179079a177a4a
12300778aa6b21
131326770437c9
147a08a155c5b
153d10309bdd1
hex207c03010c9

2232312402121 has 4 divisors (see below), whose sum is σ = 2232320694912. Its totient is φ = 2232304109332.

The previous prime is 2232312402119. The next prime is 2232312402137. The reversal of 2232312402121 is 1212042132322.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2232312402121 - 21 = 2232312402119 is a prime.

It is a super-3 number, since 3×22323124021213 (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2232312402101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3728581 + ... + 4285666.

It is an arithmetic number, because the mean of its divisors is an integer number (558080173728).

Almost surely, 22232312402121 is an apocalyptic number.

It is an amenable number.

2232312402121 is a deficient number, since it is larger than the sum of its proper divisors (8292791).

2232312402121 is an equidigital number, since it uses as much as digits as its factorization.

2232312402121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8292790.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 2232312402121 its reverse (1212042132322), we get a palindrome (3444354534443).

The spelling of 2232312402121 in words is "two trillion, two hundred thirty-two billion, three hundred twelve million, four hundred two thousand, one hundred twenty-one".

Divisors: 1 278543 8014247 2232312402121