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131022023204442 = 2321837003867407
BaseRepresentation
bin11101110010100111110001…
…001001101001111001011010
3122011220120202001222102020110
4131302213301021221321122
5114133131100420020232
61142354404142105150
736412012606462566
oct3562476111517132
9564816661872213
10131022023204442
11388251453a8627
1212840b4257b1b6
135815429438836
14244d6dd4a66a6
1510232b44c3acc
hex7729f1269e5a

131022023204442 has 8 divisors (see below), whose sum is σ = 262044046408896. Its totient is φ = 43674007734812.

The previous prime is 131022023204419. The next prime is 131022023204459. The reversal of 131022023204442 is 244402320220131.

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

131022023204442 is an admirable number.

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, 10918501933698 + ... + 10918501933709.

It is an arithmetic number, because the mean of its divisors is an integer number (32755505801112).

Almost surely, 2131022023204442 is an apocalyptic number.

131022023204442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131022023204442 is a wasteful number, since it uses less digits than its factorization.

131022023204442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21837003867412.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 131022023204442 its reverse (244402320220131), we get a palindrome (375424343424573).

The spelling of 131022023204442 in words is "one hundred thirty-one trillion, twenty-two billion, twenty-three million, two hundred four thousand, four hundred forty-two".

Divisors: 1 2 3 6 21837003867407 43674007734814 65511011602221 131022023204442