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2120560357 is a prime number
BaseRepresentation
bin111111001100101…
…0010111011100101
312110210012121221111
41332121102323211
513320330412412
6550230545021
7103356315466
oct17631227345
95423177844
102120560357
11999001423
124b2208171
1327a439356
141618bcd6d
15c62792a7
hex7e652ee5

2120560357 has 2 divisors, whose sum is σ = 2120560358. Its totient is φ = 2120560356.

The previous prime is 2120560319. The next prime is 2120560367. The reversal of 2120560357 is 7530650212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1804040676 + 316519681 = 42474^2 + 17791^2 .

It is a cyclic number.

It is not a de Polignac number, because 2120560357 - 219 = 2120036069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2120560307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1060280178 + 1060280179.

It is an arithmetic number, because the mean of its divisors is an integer number (1060280179).

Almost surely, 22120560357 is an apocalyptic number.

It is an amenable number.

2120560357 is a deficient number, since it is larger than the sum of its proper divisors (1).

2120560357 is an equidigital number, since it uses as much as digits as its factorization.

2120560357 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 2120560357 is about 46049.5424190078. The cubic root of 2120560357 is about 1284.7448320721.

The spelling of 2120560357 in words is "two billion, one hundred twenty million, five hundred sixty thousand, three hundred fifty-seven".