Search a number
-
+
30305135345 = 5101103582623
BaseRepresentation
bin11100001110010100…
…111010101011110001
32220020000110101101012
4130032110322223301
5444031103312340
621531052120305
72121663254162
oct341624725361
986200411335
1030305135345
1111941505801
125a59166095
132b1c670464
141676b97769
15bc57ee565
hex70e53aaf1

30305135345 has 16 divisors (see below), whose sum is σ = 37082852352. Its totient is φ = 23770977600.

The previous prime is 30305135339. The next prime is 30305135353. The reversal of 30305135345 is 54353150303.

It is a de Polignac number, because none of the positive numbers 2k-30305135345 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239297 + ... + 343326.

It is an arithmetic number, because the mean of its divisors is an integer number (2317678272).

Almost surely, 230305135345 is an apocalyptic number.

It is an amenable number.

30305135345 is a deficient number, since it is larger than the sum of its proper divisors (6777717007).

30305135345 is a wasteful number, since it uses less digits than its factorization.

30305135345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582832.

The product of its (nonzero) digits is 40500, while the sum is 32.

Adding to 30305135345 its reverse (54353150303), we get a palindrome (84658285648).

The spelling of 30305135345 in words is "thirty billion, three hundred five million, one hundred thirty-five thousand, three hundred forty-five".

Divisors: 1 5 101 103 505 515 10403 52015 582623 2913115 58844923 60010169 294224615 300050845 6061027069 30305135345