Search a number
-
+
142752806873 = 1312048353201
BaseRepresentation
bin1000010011110010111…
…0101111011111011001
3111122110200120221212022
42010330232233133121
54314324204304443
6145325120024225
713212355560215
oct2047456573731
9448420527768
10142752806873
11555a5268746
12237bb762075
13105ccca75c1
146ca3089945
153aa7737e68
hex213cbaf7d9

142752806873 has 8 divisors (see below), whose sum is σ = 143852249376. Its totient is φ = 141653512000.

The previous prime is 142752806783. The next prime is 142752806899. The reversal of 142752806873 is 378608257241.

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 142752806873 - 220 = 142751758297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142752806173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2656673 + ... + 2709873.

It is an arithmetic number, because the mean of its divisors is an integer number (17981531172).

Almost surely, 2142752806873 is an apocalyptic number.

It is an amenable number.

142752806873 is a deficient number, since it is larger than the sum of its proper divisors (1099442503).

142752806873 is a wasteful number, since it uses less digits than its factorization.

142752806873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73815.

The product of its (nonzero) digits is 4515840, while the sum is 53.

The spelling of 142752806873 in words is "one hundred forty-two billion, seven hundred fifty-two million, eight hundred six thousand, eight hundred seventy-three".

Divisors: 1 131 20483 53201 2683273 6969331 1089716083 142752806873