Search a number
-
+
2975881969 is a prime number
BaseRepresentation
bin1011000101100000…
…0101101011110001
321200101122110121201
42301120011223301
522043311210334
61211143251201
7133513402504
oct26130055361
97611573551
102975881969
111297898195
126b0749b01
133856bb908
1420332913b
151263ccc14
hexb1605af1

2975881969 has 2 divisors, whose sum is σ = 2975881970. Its totient is φ = 2975881968.

The previous prime is 2975881957. The next prime is 2975882003. The reversal of 2975881969 is 9691885792.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1500400225 + 1475481744 = 38735^2 + 38412^2 .

It is a cyclic number.

It is not a de Polignac number, because 2975881969 - 29 = 2975881457 is a prime.

It is a super-2 number, since 2×29758819692 = 17711746986838633922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2975881969.

It is not a weakly prime, because it can be changed into another prime (2975882969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1487940984 + 1487940985.

It is an arithmetic number, because the mean of its divisors is an integer number (1487940985).

Almost surely, 22975881969 is an apocalyptic number.

It is an amenable number.

2975881969 is a deficient number, since it is larger than the sum of its proper divisors (1).

2975881969 is an equidigital number, since it uses as much as digits as its factorization.

2975881969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19595520, while the sum is 64.

The square root of 2975881969 is about 54551.6449706148. The cubic root of 2975881969 is about 1438.3742533616.

The spelling of 2975881969 in words is "two billion, nine hundred seventy-five million, eight hundred eighty-one thousand, nine hundred sixty-nine".