[go: up one dir, main page]

Search a number
-
+
2130764569 is a prime number
BaseRepresentation
bin111111100000000…
…1110001100011001
312111111102001111021
41333000032030121
513330433431234
6551233402441
7103542125413
oct17700161431
95444361437
102130764569
119a3840a5a
124b5709421
1327c59cb4b
14162db79b3
15c70e29b4
hex7f00e319

2130764569 has 2 divisors, whose sum is σ = 2130764570. Its totient is φ = 2130764568.

The previous prime is 2130764561. The next prime is 2130764609. The reversal of 2130764569 is 9654670312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1585074969 + 545689600 = 39813^2 + 23360^2 .

It is a cyclic number.

It is not a de Polignac number, because 2130764569 - 23 = 2130764561 is a prime.

It is a super-2 number, since 2×21307645692 = 9080315297011511522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2130764561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065382284 + 1065382285.

It is an arithmetic number, because the mean of its divisors is an integer number (1065382285).

Almost surely, 22130764569 is an apocalyptic number.

It is an amenable number.

2130764569 is a deficient number, since it is larger than the sum of its proper divisors (1).

2130764569 is an equidigital number, since it uses as much as digits as its factorization.

2130764569 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 43.

The square root of 2130764569 is about 46160.2054696467. The cubic root of 2130764569 is about 1286.8022813900.

The spelling of 2130764569 in words is "two billion, one hundred thirty million, seven hundred sixty-four thousand, five hundred sixty-nine".