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30968529351 = 34325582933
BaseRepresentation
bin11100110101110111…
…100100000111000111
32221221020202021212120
4130311313210013013
51001410420414401
622120551021023
72144300104404
oct346567440707
987836667776
1030968529351
1112151a22511
12600336a773
132bc6c33aa6
1416dad232ab
15c13b90836
hex735de41c7

30968529351 has 12 divisors (see below), whose sum is σ = 42273976248. Its totient is φ = 20165550384.

The previous prime is 30968529341. The next prime is 30968529497. The reversal of 30968529351 is 15392586903.

It is not a de Polignac number, because 30968529351 - 215 = 30968496583 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30968529294 and 30968529303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30968529301) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2785920 + ... + 2797013.

It is an arithmetic number, because the mean of its divisors is an integer number (3522831354).

Almost surely, 230968529351 is an apocalyptic number.

30968529351 is a deficient number, since it is larger than the sum of its proper divisors (11305446897).

30968529351 is an equidigital number, since it uses as much as digits as its factorization.

30968529351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5583022 (or 5582979 counting only the distinct ones).

The product of its (nonzero) digits is 1749600, while the sum is 51.

The spelling of 30968529351 in words is "thirty billion, nine hundred sixty-eight million, five hundred twenty-nine thousand, three hundred fifty-one".

Divisors: 1 3 43 129 1849 5547 5582933 16748799 240066119 720198357 10322843117 30968529351