Search a number
-
+
17394453139 = 710159244603
BaseRepresentation
bin10000001100110010…
…100100101010010011
31122220020201202220011
4100030302210222103
5241110440000024
611554011255351
71154023261240
oct201462445223
948806652804
1017394453139
117416796108
12345544a557
13184294202b
14bb023c5c7
156bc142094
hex40cca4a93

17394453139 has 8 divisors (see below), whose sum is σ = 19881413120. Its totient is φ = 14908002696.

The previous prime is 17394453119. The next prime is 17394453143. The reversal of 17394453139 is 93135449371.

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 17394453139 - 225 = 17360898707 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 17394453092 and 17394453101.

It is not an unprimeable number, because it can be changed into a prime (17394453119) 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, 51189 + ... + 193414.

It is an arithmetic number, because the mean of its divisors is an integer number (2485176640).

Almost surely, 217394453139 is an apocalyptic number.

17394453139 is a deficient number, since it is larger than the sum of its proper divisors (2486959981).

17394453139 is a wasteful number, since it uses less digits than its factorization.

17394453139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254769.

The product of its digits is 1224720, while the sum is 49.

The spelling of 17394453139 in words is "seventeen billion, three hundred ninety-four million, four hundred fifty-three thousand, one hundred thirty-nine".

Divisors: 1 7 10159 71113 244603 1712221 2484921877 17394453139