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30019466911 = 74288495273
BaseRepresentation
bin11011111101010011…
…001011011010011111
32212111002220220221211
4123331103023122133
5442434440420121
621442445205251
72111624154460
oct337523133237
985432826854
1030019466911
111180522a895
125999560827
132aa541c995
14164ac74d67
15baa6c1ce1
hex6fd4cb69f

30019466911 has 4 divisors (see below), whose sum is σ = 34307962192. Its totient is φ = 25730971632.

The previous prime is 30019466863. The next prime is 30019466921. The reversal of 30019466911 is 11966491003.

It is a happy number.

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 30019466911 - 211 = 30019464863 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30019466921) 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, 2144247630 + ... + 2144247643.

It is an arithmetic number, because the mean of its divisors is an integer number (8576990548).

Almost surely, 230019466911 is an apocalyptic number.

30019466911 is a deficient number, since it is larger than the sum of its proper divisors (4288495281).

30019466911 is an equidigital number, since it uses as much as digits as its factorization.

30019466911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4288495280.

The product of its (nonzero) digits is 34992, while the sum is 40.

The spelling of 30019466911 in words is "thirty billion, nineteen million, four hundred sixty-six thousand, nine hundred eleven".

Divisors: 1 7 4288495273 30019466911