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3213121444042 = 28737183880133
BaseRepresentation
bin101110110000011100111…
…101100101100011001010
3102101011121221212101022111
4232300130331211203022
5410120433042202132
610500030531412534
7451066100433016
oct56603475454312
912334557771274
103213121444042
11102974a320004
1243a883a5414a
131a3cc4432043
14b1731917546
15588a9b08647
hex2ec1cf658ca

3213121444042 has 8 divisors (see below), whose sum is σ = 4820233832676. Its totient is φ = 1606376833152.

The previous prime is 3213121444007. The next prime is 3213121444051. The reversal of 3213121444042 is 2404441213123.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3203774228281 + 9347215761 = 1789909^2 + 96681^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 3213121443995 and 3213121444013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91922593 + ... + 91957540.

Almost surely, 23213121444042 is an apocalyptic number.

3213121444042 is a deficient number, since it is larger than the sum of its proper divisors (1607112388634).

3213121444042 is a wasteful number, since it uses less digits than its factorization.

3213121444042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183888872.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 3213121444042 its reverse (2404441213123), we get a palindrome (5617562657165).

The spelling of 3213121444042 in words is "three trillion, two hundred thirteen billion, one hundred twenty-one million, four hundred forty-four thousand, forty-two".

Divisors: 1 2 8737 17474 183880133 367760266 1606560722021 3213121444042