Search a number
-
+
2045975130769 is a prime number
BaseRepresentation
bin11101110001011101100…
…111101111001010010001
321020121000112011110222011
4131301131213233022101
5232010124113141034
64203524043342521
7300550112445133
oct35613547571221
97217015143864
102045975130769
11719769694029
12290634b21a41
1311ac1c4b5b6b
1471050835053
1538349338864
hex1dc5d9ef291

2045975130769 has 2 divisors, whose sum is σ = 2045975130770. Its totient is φ = 2045975130768.

The previous prime is 2045975130757. The next prime is 2045975130827. The reversal of 2045975130769 is 9670315795402.

It is a happy number.

It is an a-pointer prime, because the next prime (2045975130827) can be obtained adding 2045975130769 to its sum of digits (58).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1918258240144 + 127716890625 = 1385012^2 + 357375^2 .

It is a cyclic number.

It is not a de Polignac number, because 2045975130769 - 229 = 2045438259857 is a prime.

It is a super-2 number, since 2×20459751307692 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2045975130169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022987565384 + 1022987565385.

It is an arithmetic number, because the mean of its divisors is an integer number (1022987565385).

Almost surely, 22045975130769 is an apocalyptic number.

It is an amenable number.

2045975130769 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045975130769 is an equidigital number, since it uses as much as digits as its factorization.

2045975130769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14288400, while the sum is 58.

The spelling of 2045975130769 in words is "two trillion, forty-five billion, nine hundred seventy-five million, one hundred thirty thousand, seven hundred sixty-nine".