Search a number
-
+
30152251111 = 40497446839
BaseRepresentation
bin11100000101001101…
…101101011011100111
32212211100210001122011
4130011031231123213
5443222434013421
621503551215051
72115125622433
oct340515553347
985740701564
1030152251111
11118731835a4
125a15b17487
132ac6aa1808
14166075b9c3
15bb71a04e1
hex70536d6e7

30152251111 has 4 divisors (see below), whose sum is σ = 30159702000. Its totient is φ = 30144800224.

The previous prime is 30152251081. The next prime is 30152251121. The reversal of 30152251111 is 11115225103.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30152251111 - 223 = 30143862503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30152251121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3719371 + ... + 3727468.

It is an arithmetic number, because the mean of its divisors is an integer number (7539925500).

Almost surely, 230152251111 is an apocalyptic number.

30152251111 is a deficient number, since it is larger than the sum of its proper divisors (7450889).

30152251111 is an equidigital number, since it uses as much as digits as its factorization.

30152251111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7450888.

The product of its (nonzero) digits is 300, while the sum is 22.

Adding to 30152251111 its reverse (11115225103), we get a palindrome (41267476214).

The spelling of 30152251111 in words is "thirty billion, one hundred fifty-two million, two hundred fifty-one thousand, one hundred eleven".

Divisors: 1 4049 7446839 30152251111