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2478059993 is a prime number
BaseRepresentation
bin1001001110110100…
…0011000111011001
320101200220111020202
42103231003013121
520033340404433
61045521231545
7115260106463
oct22355030731
96350814222
102478059993
111061889172
12591a925b5
13306519cb6
1419717d133
15e7844ee8
hex93b431d9

2478059993 has 2 divisors, whose sum is σ = 2478059994. Its totient is φ = 2478059992.

The previous prime is 2478059981. The next prime is 2478060001. The reversal of 2478059993 is 3999508742.

2478059993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2406098704 + 71961289 = 49052^2 + 8483^2 .

It is a cyclic number.

It is not a de Polignac number, because 2478059993 - 220 = 2477011417 is a prime.

It is a super-2 number, since 2×24780599932 = 12281562657814320098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2478059953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1239029996 + 1239029997.

It is an arithmetic number, because the mean of its divisors is an integer number (1239029997).

Almost surely, 22478059993 is an apocalyptic number.

It is an amenable number.

2478059993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2478059993 is an equidigital number, since it uses as much as digits as its factorization.

2478059993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4898880, while the sum is 56.

The square root of 2478059993 is about 49780.1164422101. The cubic root of 2478059993 is about 1353.2268474796.

The spelling of 2478059993 in words is "two billion, four hundred seventy-eight million, fifty-nine thousand, nine hundred ninety-three".