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30946779793 = 331723712919
BaseRepresentation
bin11100110100100100…
…100110001010010001
32221212201211022002101
4130310210212022101
51001334333423133
622114452520401
72143614200536
oct346444461221
987781738071
1030946779793
1112140717776
125bb8020101
132bc258a227
1416d80a0d8d
15c11ce637d
hex734926291

30946779793 has 8 divisors (see below), whose sum is σ = 31046966720. Its totient is φ = 30846633840.

The previous prime is 30946779791. The next prime is 30946779811. The reversal of 30946779793 is 39797764903.

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 30946779793 - 21 = 30946779791 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30946779791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2388988 + ... + 2401906.

It is an arithmetic number, because the mean of its divisors is an integer number (3880870840).

Almost surely, 230946779793 is an apocalyptic number.

It is an amenable number.

30946779793 is a deficient number, since it is larger than the sum of its proper divisors (100186927).

30946779793 is a wasteful number, since it uses less digits than its factorization.

30946779793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20487.

The product of its (nonzero) digits is 54010152, while the sum is 64.

The spelling of 30946779793 in words is "thirty billion, nine hundred forty-six million, seven hundred seventy-nine thousand, seven hundred ninety-three".

Divisors: 1 331 7237 12919 2395447 4276189 93494803 30946779793