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8893419997 = 711947121963
BaseRepresentation
bin10000100100001011…
…01101000111011101
3211221210112112201211
420102011231013131
5121203203414442
64030252504421
7433246552120
oct102205550735
924853475654
108893419997
113854116090
12188247b111
13ab96747c7
146051d03b7
15370b77617
hex21216d1dd

8893419997 has 16 divisors (see below), whose sum is σ = 11099699712. Its totient is φ = 6922563120.

The previous prime is 8893419923. The next prime is 8893420013. The reversal of 8893419997 is 7999143988.

It is not a de Polignac number, because 8893419997 - 27 = 8893419869 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 (8893419697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11938 + ... + 133900.

It is an arithmetic number, because the mean of its divisors is an integer number (693731232).

Almost surely, 28893419997 is an apocalyptic number.

It is an amenable number.

8893419997 is a deficient number, since it is larger than the sum of its proper divisors (2206279715).

8893419997 is a wasteful number, since it uses less digits than its factorization.

8893419997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122928.

The product of its digits is 35271936, while the sum is 67.

The square root of 8893419997 is about 94304.9309262246. The cubic root of 8893419997 is about 2071.8402576725.

The spelling of 8893419997 in words is "eight billion, eight hundred ninety-three million, four hundred nineteen thousand, nine hundred ninety-seven".

Divisors: 1 7 11 77 947 6629 10417 72919 121963 853741 1341593 9391151 115498961 808492727 1270488571 8893419997