Search a number
-
+
142169113 = 1717474787
BaseRepresentation
bin10000111100101…
…01010000011001
3100220111221100201
420132111100121
5242343402423
622035102201
73344263132
oct1036252031
9326457321
10142169113
1173283839
123b741961
13235b9748
1414c4ac89
15c7342ad
hex8795419

142169113 has 8 divisors (see below), whose sum is σ = 150649632. Its totient is φ = 133701696.

The previous prime is 142169087. The next prime is 142169119. The reversal of 142169113 is 311961241.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-142169113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142169119) 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, 27306 + ... + 32092.

It is an arithmetic number, because the mean of its divisors is an integer number (18831204).

Almost surely, 2142169113 is an apocalyptic number.

It is an amenable number.

142169113 is a deficient number, since it is larger than the sum of its proper divisors (8480519).

142169113 is a wasteful number, since it uses less digits than its factorization.

142169113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6551.

The product of its digits is 1296, while the sum is 28.

The square root of 142169113 is about 11923.4690002532. The cubic root of 142169113 is about 521.9173704492.

The spelling of 142169113 in words is "one hundred forty-two million, one hundred sixty-nine thousand, one hundred thirteen".

Divisors: 1 17 1747 4787 29699 81379 8362889 142169113