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30346726805 = 56069345361
BaseRepresentation
bin11100010000110011…
…100100110110010101
32220022220201110010122
4130100303210312111
5444122230224210
621535135401325
72123006631113
oct342063446625
986286643118
1030346726805
1111962a3300a
125a6b083245
132b281734a5
14167c502ab3
15bc92b7b55
hex710ce4d95

30346726805 has 4 divisors (see below), whose sum is σ = 36416072172. Its totient is φ = 24277381440.

The previous prime is 30346726799. The next prime is 30346726847. The reversal of 30346726805 is 50862764303.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10724880721 + 19621846084 = 103561^2 + 140078^2 .

It is a de Polignac number, because none of the positive numbers 2k-30346726805 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3034672676 + ... + 3034672685.

It is an arithmetic number, because the mean of its divisors is an integer number (9104018043).

Almost surely, 230346726805 is an apocalyptic number.

It is an amenable number.

30346726805 is a deficient number, since it is larger than the sum of its proper divisors (6069345367).

30346726805 is an equidigital number, since it uses as much as digits as its factorization.

30346726805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6069345366.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 30346726805 in words is "thirty billion, three hundred forty-six million, seven hundred twenty-six thousand, eight hundred five".

Divisors: 1 5 6069345361 30346726805