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142213144311 = 36785932443
BaseRepresentation
bin1000010001110010010…
…0000101111011110111
3111121002002010021000000
42010130210011323313
54312223031104221
6145155401122343
713163113532040
oct2043444057367
9447062107000
10142213144311
1155348681227
122368aa893b3
1310545246444
146c5152b8c7
153a75187e26
hex211c905ef7

142213144311 has 56 divisors (see below), whose sum is σ = 243973688960. Its totient is φ = 81167548176.

The previous prime is 142213144303. The next prime is 142213144351. The reversal of 142213144311 is 113441312241.

It is a happy number.

142213144311 is a `hidden beast` number, since 1 + 4 + 2 + 213 + 1 + 443 + 1 + 1 = 666.

142213144311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 142213144311 - 23 = 142213144303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142213144351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 4367256 + ... + 4399698.

Almost surely, 2142213144311 is an apocalyptic number.

142213144311 is a deficient number, since it is larger than the sum of its proper divisors (101760544649).

142213144311 is an frugal number, since it uses more digits than its factorization.

142213144311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33327 (or 33312 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

Adding to 142213144311 its reverse (113441312241), we get a palindrome (255654456552).

The spelling of 142213144311 in words is "one hundred forty-two billion, two hundred thirteen million, one hundred forty-four thousand, three hundred eleven".

Divisors: 1 3 7 9 21 27 63 81 189 243 567 729 859 1701 2577 5103 6013 7731 18039 23193 32443 54117 69579 97329 162351 208737 227101 291987 487053 626211 681303 875961 1461159 2043909 2627883 4383477 6131727 7883649 18395181 23650947 27868537 55185543 83605611 165556629 195079759 250816833 585239277 752450499 1755717831 2257351497 5267153493 6772054491 15801460479 20316163473 47404381437 142213144311