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30327712811 = 112757064801
BaseRepresentation
bin11100001111101011…
…000010110000101011
32220021120221102211122
4130033223002300223
5444102343302221
621533220045455
72122356206534
oct341753026053
986246842748
1030327712811
1111953226570
125a6483388b
132b24246ac6
141679b9368b
15bc77adeab
hex70fac2c2b

30327712811 has 4 divisors (see below), whose sum is σ = 33084777624. Its totient is φ = 27570648000.

The previous prime is 30327712787. The next prime is 30327712817. The reversal of 30327712811 is 11821772303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11821772303 = 111074706573.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30327712811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30327712817) 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, 1378532390 + ... + 1378532411.

It is an arithmetic number, because the mean of its divisors is an integer number (8271194406).

Almost surely, 230327712811 is an apocalyptic number.

30327712811 is a deficient number, since it is larger than the sum of its proper divisors (2757064813).

30327712811 is a wasteful number, since it uses less digits than its factorization.

30327712811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2757064812.

The product of its (nonzero) digits is 14112, while the sum is 35.

The spelling of 30327712811 in words is "thirty billion, three hundred twenty-seven million, seven hundred twelve thousand, eight hundred eleven".

Divisors: 1 11 2757064801 30327712811