Search a number
-
+
30169492351 = 236871273673
BaseRepresentation
bin11100000110001111…
…011110101101111111
32212212120020000011121
4130012033132231333
5443241342223401
621505404531411
72115425311435
oct340617365577
985776200147
1030169492351
111188198a159
125a1b850b67
132aca52a32b
141662b68d55
15bb8958ca1
hex7063deb7f

30169492351 has 4 divisors (see below), whose sum is σ = 30170789712. Its totient is φ = 30168194992.

The previous prime is 30169492349. The next prime is 30169492373. The reversal of 30169492351 is 15329496103.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15329496103 = 33745488119.

It is a cyclic number.

It is not a de Polignac number, because 30169492351 - 21 = 30169492349 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30169492298 and 30169492307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30169492321) 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 3 ways as a sum of consecutive naturals, for example, 613150 + ... + 660523.

It is an arithmetic number, because the mean of its divisors is an integer number (7542697428).

Almost surely, 230169492351 is an apocalyptic number.

30169492351 is a deficient number, since it is larger than the sum of its proper divisors (1297361).

30169492351 is a wasteful number, since it uses less digits than its factorization.

30169492351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1297360.

The product of its (nonzero) digits is 174960, while the sum is 43.

The spelling of 30169492351 in words is "thirty billion, one hundred sixty-nine million, four hundred ninety-two thousand, three hundred fifty-one".

Divisors: 1 23687 1273673 30169492351