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30113051 = 79737783
BaseRepresentation
bin111001011011…
…1110100011011
32002122220100012
41302313310123
530202104201
62553232135
7513646103
oct162676433
962586305
1030113051
1115aa8421
12a10264b
136314597
143ddc203
15299c5bb
hex1cb7d1b

30113051 has 4 divisors (see below), whose sum is σ = 30151632. Its totient is φ = 30074472.

The previous prime is 30113033. The next prime is 30113093. The reversal of 30113051 is 15031103.

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 30113051 - 26 = 30112987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30112051) 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, 18095 + ... + 19688.

It is an arithmetic number, because the mean of its divisors is an integer number (7537908).

Almost surely, 230113051 is an apocalyptic number.

30113051 is a deficient number, since it is larger than the sum of its proper divisors (38581).

30113051 is an equidigital number, since it uses as much as digits as its factorization.

30113051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38580.

The product of its (nonzero) digits is 45, while the sum is 14.

The square root of 30113051 is about 5487.5359679915. The cubic root of 30113051 is about 311.1130677267.

Adding to 30113051 its reverse (15031103), we get a palindrome (45144154).

The spelling of 30113051 in words is "thirty million, one hundred thirteen thousand, fifty-one".

Divisors: 1 797 37783 30113051