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8934916691 = 9299617779
BaseRepresentation
bin10000101001001000…
…00000001001010011
3212001200121210111102
420110210000021103
5121244314313231
64034334135015
7434262352541
oct102444001123
925050553442
108934916691
113875589178
12189435146b
13ac514366c
1460a912d91
15374622acb
hex214900253

8934916691 has 4 divisors (see below), whose sum is σ = 8944535400. Its totient is φ = 8925297984.

The previous prime is 8934916657. The next prime is 8934916699. The reversal of 8934916691 is 1966194398.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8934916691 - 210 = 8934915667 is a prime.

It is a super-2 number, since 2×89349166912 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8934916699) 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, 4807961 + ... + 4809818.

It is an arithmetic number, because the mean of its divisors is an integer number (2236133850).

Almost surely, 28934916691 is an apocalyptic number.

8934916691 is a deficient number, since it is larger than the sum of its proper divisors (9618709).

8934916691 is an equidigital number, since it uses as much as digits as its factorization.

8934916691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9618708.

The product of its digits is 2519424, while the sum is 56.

The square root of 8934916691 is about 94524.6882618504. The cubic root of 8934916691 is about 2075.0576606419.

The spelling of 8934916691 in words is "eight billion, nine hundred thirty-four million, nine hundred sixteen thousand, six hundred ninety-one".

Divisors: 1 929 9617779 8934916691