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30012030223 = 740910482721
BaseRepresentation
bin11011111100110110…
…110011110100001111
32212110120221002201221
4123330312303310033
5442431034431343
621442021544211
72111504022250
oct337466636417
985416832657
1030012030223
111180101056a
125996b75067
132aa3a17a86
141649c9ab27
15ba9c035ed
hex6fcdb3d0f

30012030223 has 8 divisors (see below), whose sum is σ = 34383328160. Its totient is φ = 25661698560.

The previous prime is 30012030179. The next prime is 30012030227. The reversal of 30012030223 is 32203021003.

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

It is a cyclic number.

It is not a de Polignac number, because 30012030223 - 233 = 21422095631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30012030197 and 30012030206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30012030227) 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 7 ways as a sum of consecutive naturals, for example, 5238498 + ... + 5244223.

It is an arithmetic number, because the mean of its divisors is an integer number (4297916020).

Almost surely, 230012030223 is an apocalyptic number.

30012030223 is a deficient number, since it is larger than the sum of its proper divisors (4371297937).

30012030223 is a wasteful number, since it uses less digits than its factorization.

30012030223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10483137.

The product of its (nonzero) digits is 216, while the sum is 16.

Adding to 30012030223 its reverse (32203021003), we get a palindrome (62215051226).

The spelling of 30012030223 in words is "thirty billion, twelve million, thirty thousand, two hundred twenty-three".

Divisors: 1 7 409 2863 10482721 73379047 4287432889 30012030223