Search a number
-
+
30125005215 = 352008333681
BaseRepresentation
bin11100000011100101…
…110001100110011111
32212202110111211021220
4130003211301212133
5443144000131330
621501135224423
72114345214354
oct340345614637
985673454256
1030125005215
1111859864328
125a08978113
132ac1252296
14165aca862b
15bb4abc710
hex70397199f

30125005215 has 8 divisors (see below), whose sum is σ = 48200008368. Its totient is φ = 16066669440.

The previous prime is 30125005201. The next prime is 30125005277. The reversal of 30125005215 is 51250052103.

It is a happy number.

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

It is not a de Polignac number, because 30125005215 - 26 = 30125005151 is a prime.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 1004166826 + ... + 1004166855.

It is an arithmetic number, because the mean of its divisors is an integer number (6025001046).

Almost surely, 230125005215 is an apocalyptic number.

30125005215 is a deficient number, since it is larger than the sum of its proper divisors (18075003153).

30125005215 is a wasteful number, since it uses less digits than its factorization.

30125005215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2008333689.

The product of its (nonzero) digits is 1500, while the sum is 24.

Adding to 30125005215 its reverse (51250052103), we get a palindrome (81375057318).

The spelling of 30125005215 in words is "thirty billion, one hundred twenty-five million, five thousand, two hundred fifteen".

Divisors: 1 3 5 15 2008333681 6025001043 10041668405 30125005215