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30968387323 = 92213358463
BaseRepresentation
bin11100110101110111…
…000001011011111011
32221221020111002001021
4130311313001123323
51001410401343243
622120544003311
72144265643336
oct346567013373
987836432037
1030968387323
1112151935835
126003300537
132bc6bb4253
1416dacc761d
15c13b636ed
hex735dc16fb

30968387323 has 4 divisors (see below), whose sum is σ = 30971755008. Its totient is φ = 30965019640.

The previous prime is 30968387321. The next prime is 30968387353. The reversal of 30968387323 is 32378386903.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32378386903 = 47688901849.

It is a cyclic number.

It is not a de Polignac number, because 30968387323 - 21 = 30968387321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30968387321) 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, 1670011 + ... + 1688452.

It is an arithmetic number, because the mean of its divisors is an integer number (7742938752).

Almost surely, 230968387323 is an apocalyptic number.

30968387323 is a deficient number, since it is larger than the sum of its proper divisors (3367685).

30968387323 is an equidigital number, since it uses as much as digits as its factorization.

30968387323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367684.

The product of its (nonzero) digits is 3919104, while the sum is 52.

The spelling of 30968387323 in words is "thirty billion, nine hundred sixty-eight million, three hundred eighty-seven thousand, three hundred twenty-three".

Divisors: 1 9221 3358463 30968387323