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30643316013 = 310214438671
BaseRepresentation
bin11100100010011110…
…111110010100101101
32221002120210202001010
4130202132332110231
51000224142103023
622024412335433
72133240613512
oct344236762455
987076722033
1030643316013
1111aa5397962
125b32474579
132b7474896b
1416a9a69309
15be5351093
hex7227be52d

30643316013 has 4 divisors (see below), whose sum is σ = 40857754688. Its totient is φ = 20428877340.

The previous prime is 30643315939. The next prime is 30643316027. The reversal of 30643316013 is 31061334603.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 30643316013 - 217 = 30643184941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30643312013) 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, 5107219333 + ... + 5107219338.

It is an arithmetic number, because the mean of its divisors is an integer number (10214438672).

Almost surely, 230643316013 is an apocalyptic number.

It is an amenable number.

30643316013 is a deficient number, since it is larger than the sum of its proper divisors (10214438675).

30643316013 is a wasteful number, since it uses less digits than its factorization.

30643316013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10214438674.

The product of its (nonzero) digits is 11664, while the sum is 30.

The spelling of 30643316013 in words is "thirty billion, six hundred forty-three million, three hundred sixteen thousand, thirteen".

Divisors: 1 3 10214438671 30643316013