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8978465383 is a prime number
BaseRepresentation
bin10000101110010100…
…01000001001100111
3212011201120022001221
420113022020021213
5121341441343013
64042531401211
7435331460626
oct102712101147
925151508057
108978465383
113898122a28
1218a6a53207
13b01180514
1461260b6bd
1537837608d
hex217288267

8978465383 has 2 divisors, whose sum is σ = 8978465384. Its totient is φ = 8978465382.

The previous prime is 8978465381. The next prime is 8978465411. The reversal of 8978465383 is 3835648798.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8978465383 - 21 = 8978465381 is a prime.

It is a super-2 number, since 2×89784653832 (a number of 21 digits) contains 22 as substring.

Together with 8978465381, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8978465381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4489232691 + 4489232692.

It is an arithmetic number, because the mean of its divisors is an integer number (4489232692).

Almost surely, 28978465383 is an apocalyptic number.

8978465383 is a deficient number, since it is larger than the sum of its proper divisors (1).

8978465383 is an equidigital number, since it uses as much as digits as its factorization.

8978465383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34836480, while the sum is 61.

The square root of 8978465383 is about 94754.7644343017. The cubic root of 8978465383 is about 2078.4234681408.

The spelling of 8978465383 in words is "eight billion, nine hundred seventy-eight million, four hundred sixty-five thousand, three hundred eighty-three".