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2087518057 is a prime number
BaseRepresentation
bin111110001101100…
…1111111101101001
312101111000220102121
41330123033331221
513233401034212
6543050431241
7102505416322
oct17433177551
95344026377
102087518057
11981393239
124a3132521
1327363a6b1
1415b35b449
15c33edd07
hex7c6cff69

2087518057 has 2 divisors, whose sum is σ = 2087518058. Its totient is φ = 2087518056.

The previous prime is 2087518039. The next prime is 2087518061. The reversal of 2087518057 is 7508157802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2085657561 + 1860496 = 45669^2 + 1364^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2087518057 is a prime.

It is not a weakly prime, because it can be changed into another prime (2087518007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1043759028 + 1043759029.

It is an arithmetic number, because the mean of its divisors is an integer number (1043759029).

Almost surely, 22087518057 is an apocalyptic number.

It is an amenable number.

2087518057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2087518057 is an equidigital number, since it uses as much as digits as its factorization.

2087518057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 156800, while the sum is 43.

The square root of 2087518057 is about 45689.3648128314. The cubic root of 2087518057 is about 1278.0369602515.

The spelling of 2087518057 in words is "two billion, eighty-seven million, five hundred eighteen thousand, fifty-seven".