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30965912653 = 1311827201403
BaseRepresentation
bin11100110101101101…
…100101010001001101
32221221001211100102211
4130311231211101031
51001404233201103
622120414550421
72144235625504
oct346555452115
987831740384
1030965912653
11121504a5555
126002508411
132bc6528a50
1416da84183b
15c1382536d
hex735b6544d

30965912653 has 8 divisors (see below), whose sum is σ = 33350891168. Its totient is φ = 28581360624.

The previous prime is 30965912647. The next prime is 30965912657. The reversal of 30965912653 is 35621956903.

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 30965912653 - 221 = 30963815501 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30965912597 and 30965912606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30965912657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53050 + ... + 254452.

It is an arithmetic number, because the mean of its divisors is an integer number (4168861396).

Almost surely, 230965912653 is an apocalyptic number.

It is an amenable number.

30965912653 is a deficient number, since it is larger than the sum of its proper divisors (2384978515).

30965912653 is a wasteful number, since it uses less digits than its factorization.

30965912653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213243.

The product of its (nonzero) digits is 1312200, while the sum is 49.

The spelling of 30965912653 in words is "thirty billion, nine hundred sixty-five million, nine hundred twelve thousand, six hundred fifty-three".

Divisors: 1 13 11827 153751 201403 2618239 2381993281 30965912653