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17930134109 = 43894685167
BaseRepresentation
bin10000101100101110…
…000010001001011101
31201021120201012001002
4100230232002021131
5243210103242414
612123105000045
71203216424316
oct205456021135
951246635032
1017930134109
117671103158
123584923025
1318c990ab14
14c2144160d
156ee1a74de
hex42cb8225d

17930134109 has 8 divisors (see below), whose sum is σ = 18553265280. Its totient is φ = 17316373536.

The previous prime is 17930134037. The next prime is 17930134153. The reversal of 17930134109 is 90143103971.

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 17930134109 - 216 = 17930068573 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 (17930139109) 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, 2338757 + ... + 2346410.

It is an arithmetic number, because the mean of its divisors is an integer number (2319158160).

Almost surely, 217930134109 is an apocalyptic number.

It is an amenable number.

17930134109 is a deficient number, since it is larger than the sum of its proper divisors (623131171).

17930134109 is an equidigital number, since it uses as much as digits as its factorization.

17930134109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4685299.

The product of its (nonzero) digits is 20412, while the sum is 38.

The spelling of 17930134109 in words is "seventeen billion, nine hundred thirty million, one hundred thirty-four thousand, one hundred nine".

Divisors: 1 43 89 3827 4685167 201462181 416979863 17930134109