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142144230413 = 236180183931
BaseRepresentation
bin1000010001100001110…
…1001101010000001101
3111120220021110001220102
42010120131031100031
54312102410333123
6145144500100445
713161316010633
oct2043035152015
9446807401812
10142144230413
1155312792199
122366b994725
1310533b980a3
146c4630d353
153a6e0c4028
hex211874d40d

142144230413 has 4 divisors (see below), whose sum is σ = 148324414368. Its totient is φ = 135964046460.

The previous prime is 142144230341. The next prime is 142144230461. The reversal of 142144230413 is 314032441241.

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 142144230413 - 230 = 141070488589 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142144200413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3090091943 + ... + 3090091988.

It is an arithmetic number, because the mean of its divisors is an integer number (37081103592).

Almost surely, 2142144230413 is an apocalyptic number.

It is an amenable number.

142144230413 is a deficient number, since it is larger than the sum of its proper divisors (6180183955).

142144230413 is an equidigital number, since it uses as much as digits as its factorization.

142144230413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6180183954.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 142144230413 its reverse (314032441241), we get a palindrome (456176671654).

The spelling of 142144230413 in words is "one hundred forty-two billion, one hundred forty-four million, two hundred thirty thousand, four hundred thirteen".

Divisors: 1 23 6180183931 142144230413