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142131410113221 = 3215792378901469
BaseRepresentation
bin100000010100010010001100…
…001101100001001011000101
3200122020122000100101210212200
4200110102030031201023011
5122112140111442110341
61222142133550505113
741636440561234554
oct4024221415411305
9618218010353780
10142131410113221
1141318657718091
1213b36029805199
13613cc1c0292c9
1427152a862bd9b
15116726e01ddb6
hex81448c3612c5

142131410113221 has 6 divisors (see below), whose sum is σ = 205300925719110. Its totient is φ = 94754273408808.

The previous prime is 142131410113181. The next prime is 142131410113243. The reversal of 142131410113221 is 122311014131241.

142131410113221 is a `hidden beast` number, since 1 + 4 + 2 + 1 + 314 + 10 + 11 + 322 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 131232260592225 + 10899149520996 = 11455665^2 + 3301386^2 .

It is not a de Polignac number, because 142131410113221 - 234 = 142114230244037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142131410113921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7896189450726 + ... + 7896189450743.

It is an arithmetic number, because the mean of its divisors is an integer number (34216820953185).

Almost surely, 2142131410113221 is an apocalyptic number.

It is an amenable number.

142131410113221 is a deficient number, since it is larger than the sum of its proper divisors (63169515605889).

142131410113221 is a wasteful number, since it uses less digits than its factorization.

142131410113221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15792378901475 (or 15792378901472 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

Adding to 142131410113221 its reverse (122311014131241), we get a palindrome (264442424244462).

The spelling of 142131410113221 in words is "one hundred forty-two trillion, one hundred thirty-one billion, four hundred ten million, one hundred thirteen thousand, two hundred twenty-one".

Divisors: 1 3 9 15792378901469 47377136704407 142131410113221