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142020213513 = 3371279461383
BaseRepresentation
bin1000010001000100010…
…0000111101100001001
3111120120122002100200220
42010101010013230021
54311324133313023
6145124310020253
713155251616423
oct2042104075411
9446518070626
10142020213513
1155259787492
1223636347689
13105142959c9
146c33a69813
153a632783e3
hex2111107b09

142020213513 has 8 divisors (see below), whose sum is σ = 194478130368. Its totient is φ = 92121219504.

The previous prime is 142020213497. The next prime is 142020213523. The reversal of 142020213513 is 315312020241.

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

It is not a de Polignac number, because 142020213513 - 24 = 142020213497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (142020213523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639730581 + ... + 639730802.

It is an arithmetic number, because the mean of its divisors is an integer number (24309766296).

Almost surely, 2142020213513 is an apocalyptic number.

It is an amenable number.

142020213513 is a deficient number, since it is larger than the sum of its proper divisors (52457916855).

142020213513 is a wasteful number, since it uses less digits than its factorization.

142020213513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279461423.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 142020213513 its reverse (315312020241), we get a palindrome (457332233754).

The spelling of 142020213513 in words is "one hundred forty-two billion, twenty million, two hundred thirteen thousand, five hundred thirteen".

Divisors: 1 3 37 111 1279461383 3838384149 47340071171 142020213513