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30030020113 = 127723516069
BaseRepresentation
bin11011111101111011…
…011011111000010001
32212111211210002020011
4123331323123320101
5443000141120423
621443503314521
72112112650022
oct337573337021
985454702204
1030030020113
1111810188645
1259a0baba41
132aa7676292
14164c420c49
15bab5a8b0d
hex6fdedbe11

30030020113 has 4 divisors (see below), whose sum is σ = 30053537460. Its totient is φ = 30006502768.

The previous prime is 30030020089. The next prime is 30030020117. The reversal of 30030020113 is 31102003003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31102003003 = 229135816607.

It can be written as a sum of positive squares in 2 ways, for example, as 6640294144 + 23389725969 = 81488^2 + 152937^2 .

It is a cyclic number.

It is not a de Polignac number, because 30030020113 - 29 = 30030019601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30030020093 and 30030020102.

It is not an unprimeable number, because it can be changed into a prime (30030020117) 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, 11756758 + ... + 11759311.

It is an arithmetic number, because the mean of its divisors is an integer number (7513384365).

Almost surely, 230030020113 is an apocalyptic number.

It is an amenable number.

30030020113 is a deficient number, since it is larger than the sum of its proper divisors (23517347).

30030020113 is a wasteful number, since it uses less digits than its factorization.

30030020113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23517346.

The product of its (nonzero) digits is 54, while the sum is 13.

Adding to 30030020113 its reverse (31102003003), we get a palindrome (61132023116).

The spelling of 30030020113 in words is "thirty billion, thirty million, twenty thousand, one hundred thirteen".

Divisors: 1 1277 23516069 30030020113