Search a number
-
+
142565188641 = 3124973802651
BaseRepresentation
bin1000010011000110001…
…1000010010000100001
3111121222121112222000220
42010301203002100201
54313433142014031
6145254334433253
713204620052251
oct2046143022041
9447877488026
10142565188641
1155509372357
1223768962829
13105a0166cb5
146c861ab961
153a96027596
hex21318c2421

142565188641 has 8 divisors (see below), whose sum is σ = 190102178784. Its totient is φ = 95035828800.

The previous prime is 142565188637. The next prime is 142565188663. The reversal of 142565188641 is 146881565241.

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

It is not a de Polignac number, because 142565188641 - 22 = 142565188637 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (142565188691) 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, 1863835 + ... + 1938816.

It is an arithmetic number, because the mean of its divisors is an integer number (23762772348).

Almost surely, 2142565188641 is an apocalyptic number.

It is an amenable number.

142565188641 is a deficient number, since it is larger than the sum of its proper divisors (47536990143).

142565188641 is a wasteful number, since it uses less digits than its factorization.

142565188641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3815151.

The product of its digits is 1843200, while the sum is 51.

The spelling of 142565188641 in words is "one hundred forty-two billion, five hundred sixty-five million, one hundred eighty-eight thousand, six hundred forty-one".

Divisors: 1 3 12497 37491 3802651 11407953 47521729547 142565188641