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2042615249 is a prime number
BaseRepresentation
bin111100110111111…
…1101010111010001
312021100112121100122
41321233331113101
513140402141444
6534404200025
7101421641333
oct17157752721
95240477318
102042615249
11959004084
12490099015
1326724839c
141553cd453
15be4ce4ee
hex79bfd5d1

2042615249 has 2 divisors, whose sum is σ = 2042615250. Its totient is φ = 2042615248.

The previous prime is 2042615221. The next prime is 2042615269. The reversal of 2042615249 is 9425162402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1122585025 + 920030224 = 33505^2 + 30332^2 .

It is a cyclic number.

It is not a de Polignac number, because 2042615249 - 216 = 2042549713 is a prime.

It is not a weakly prime, because it can be changed into another prime (2042615269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021307624 + 1021307625.

It is an arithmetic number, because the mean of its divisors is an integer number (1021307625).

Almost surely, 22042615249 is an apocalyptic number.

It is an amenable number.

2042615249 is a deficient number, since it is larger than the sum of its proper divisors (1).

2042615249 is an equidigital number, since it uses as much as digits as its factorization.

2042615249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 2042615249 is about 45195.3011827557. The cubic root of 2042615249 is about 1268.8068751907.

The spelling of 2042615249 in words is "two billion, forty-two million, six hundred fifteen thousand, two hundred forty-nine".