Search a number
-
+
131583864643 = 7111708881359
BaseRepresentation
bin111101010001100000…
…0100110111101000011
3110120122022020220110021
41322203000212331003
54123440432132033
6140240534514311
712335525252350
oct1724300467503
9416568226407
10131583864643
1150893730080
1221603205997
13c54007b24a
14652399d627
153651e26b2d
hex1ea3026f43

131583864643 has 8 divisors (see below), whose sum is σ = 164052610560. Its totient is φ = 102532881480.

The previous prime is 131583864613. The next prime is 131583864653. The reversal of 131583864643 is 346468385131.

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 131583864643 - 217 = 131583733571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131583864613) 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, 854440603 + ... + 854440756.

It is an arithmetic number, because the mean of its divisors is an integer number (20506576320).

Almost surely, 2131583864643 is an apocalyptic number.

131583864643 is a deficient number, since it is larger than the sum of its proper divisors (32468745917).

131583864643 is a wasteful number, since it uses less digits than its factorization.

131583864643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708881377.

The product of its digits is 4976640, while the sum is 52.

The spelling of 131583864643 in words is "one hundred thirty-one billion, five hundred eighty-three million, eight hundred sixty-four thousand, six hundred forty-three".

Divisors: 1 7 11 77 1708881359 11962169513 18797694949 131583864643