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142020473611 = 1924131015609
BaseRepresentation
bin1000010001000100010…
…1000111001100001011
3111120120122120120111011
42010101011013030023
54311324220123421
6145124315344351
713155254051632
oct2042105071413
9446518516434
10142020473611
1155259944945
12236364520b7
1310514357203
146c33ad6519
153a632ca4e1
hex211114730b

142020473611 has 8 divisors (see below), whose sum is σ = 150115552400. Its totient is φ = 133987426560.

The previous prime is 142020473591. The next prime is 142020473629. The reversal of 142020473611 is 116374020241.

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

It is a cyclic number.

It is not a de Polignac number, because 142020473611 - 221 = 142018376459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142020413611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15503226 + ... + 15512383.

It is an arithmetic number, because the mean of its divisors is an integer number (18764444050).

Almost surely, 2142020473611 is an apocalyptic number.

142020473611 is a deficient number, since it is larger than the sum of its proper divisors (8095078789).

142020473611 is a wasteful number, since it uses less digits than its factorization.

142020473611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31015869.

The product of its (nonzero) digits is 8064, while the sum is 31.

Adding to 142020473611 its reverse (116374020241), we get a palindrome (258394493852).

The spelling of 142020473611 in words is "one hundred forty-two billion, twenty million, four hundred seventy-three thousand, six hundred eleven".

Divisors: 1 19 241 4579 31015609 589296571 7474761769 142020473611