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2420015839 is a prime number
BaseRepresentation
bin1001000000111110…
…1000001011011111
320020122200112122021
42100033220023133
514424011001324
61040045201011
7113653536523
oct22017501337
96218615567
102420015839
11103204379a
12576560167
132c74a6347
1418d58dd83
15e26cbae4
hex903e82df

2420015839 has 2 divisors, whose sum is σ = 2420015840. Its totient is φ = 2420015838.

The previous prime is 2420015831. The next prime is 2420015869. The reversal of 2420015839 is 9385100242.

2420015839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2420015839 - 23 = 2420015831 is a prime.

It is a super-2 number, since 2×24200158392 = 11712953322021747842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2420015831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1210007919 + 1210007920.

It is an arithmetic number, because the mean of its divisors is an integer number (1210007920).

Almost surely, 22420015839 is an apocalyptic number.

2420015839 is a deficient number, since it is larger than the sum of its proper divisors (1).

2420015839 is an equidigital number, since it uses as much as digits as its factorization.

2420015839 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 2420015839 is about 49193.6564914624. The cubic root of 2420015839 is about 1342.5776179799.

The spelling of 2420015839 in words is "two billion, four hundred twenty million, fifteen thousand, eight hundred thirty-nine".