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30896931311 = 1011931585027
BaseRepresentation
bin11100110001100110…
…011100000111101111
32221202021000201211022
4130301212130013233
51001234103300221
622105512244355
72142440403641
oct346146340757
987667021738
1030896931311
111211556a884
125ba33a06bb
132bb5155a9c
1416d1606891
15c0c74b4ab
hex73199c1ef

30896931311 has 8 divisors (see below), whose sum is σ = 31364534064. Its totient is φ = 30432499200.

The previous prime is 30896931287. The next prime is 30896931313. The reversal of 30896931311 is 11313969803.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30896931311 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 (30896931313) 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, 773021 + ... + 812006.

It is an arithmetic number, because the mean of its divisors is an integer number (3920566758).

Almost surely, 230896931311 is an apocalyptic number.

30896931311 is a deficient number, since it is larger than the sum of its proper divisors (467602753).

30896931311 is a wasteful number, since it uses less digits than its factorization.

30896931311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1585321.

The product of its (nonzero) digits is 104976, while the sum is 44.

The spelling of 30896931311 in words is "thirty billion, eight hundred ninety-six million, nine hundred thirty-one thousand, three hundred eleven".

Divisors: 1 101 193 19493 1585027 160087727 305910211 30896931311