Search a number
-
+
142109483 = 295392459
BaseRepresentation
bin10000111100001…
…10101100101011
3100220101220120012
420132012230223
5242340000413
622033522135
73343624235
oct1036065453
9326356505
10142109483
1173242a5a
123b71334b
1323598569
1414c33255
15c7217a8
hex8786b2b

142109483 has 8 divisors (see below), whose sum is σ = 149785200. Its totient is φ = 134618848.

The previous prime is 142109449. The next prime is 142109503. The reversal of 142109483 is 384901241.

It is a happy number.

142109483 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 142109483 - 212 = 142105387 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142109413) 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, 44693 + ... + 47766.

It is an arithmetic number, because the mean of its divisors is an integer number (18723150).

Almost surely, 2142109483 is an apocalyptic number.

142109483 is a deficient number, since it is larger than the sum of its proper divisors (7675717).

142109483 is an equidigital number, since it uses as much as digits as its factorization.

142109483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92541.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 142109483 is about 11920.9682073228. The cubic root of 142109483 is about 521.8443909665.

The spelling of 142109483 in words is "one hundred forty-two million, one hundred nine thousand, four hundred eighty-three".

Divisors: 1 29 53 1537 92459 2681311 4900327 142109483