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30571136341 = 187721317643
BaseRepresentation
bin11100011110001011…
…101000010101010101
32220220112222122010221
4130132023220111111
51000102202330331
622013313314341
72131403241244
oct343613502525
986815878127
1030571136341
1111a68678239
125b122659b1
132b627c5cb5
1416a023a95b
15bddd44711
hex71e2e8555

30571136341 has 8 divisors (see below), whose sum is σ = 30605781024. Its totient is φ = 30536514960.

The previous prime is 30571136317. The next prime is 30571136353. The reversal of 30571136341 is 14363117503.

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 30571136341 - 213 = 30571128149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30571136297 and 30571136306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30571136371) 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, 3996066 + ... + 4003708.

It is an arithmetic number, because the mean of its divisors is an integer number (3825722628).

Almost surely, 230571136341 is an apocalyptic number.

It is an amenable number.

30571136341 is a deficient number, since it is larger than the sum of its proper divisors (34644683).

30571136341 is a wasteful number, since it uses less digits than its factorization.

30571136341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11651.

The product of its (nonzero) digits is 22680, while the sum is 34.

The spelling of 30571136341 in words is "thirty billion, five hundred seventy-one million, one hundred thirty-six thousand, three hundred forty-one".

Divisors: 1 1877 2131 7643 3999887 14345911 16287233 30571136341