Search a number
-
+
8074673989 is a prime number
BaseRepresentation
bin1111000010100100…
…11011111101000101
3202211201220221100121
413201102123331011
5113014104031424
63413124141541
7404045411404
oct74122337505
922751827317
108074673989
113473a41098
1216942378b1
139b8b5a205
1456858563b
15323d4aee4
hex1e149bf45

8074673989 has 2 divisors, whose sum is σ = 8074673990. Its totient is φ = 8074673988.

The previous prime is 8074673983. The next prime is 8074674037. The reversal of 8074673989 is 9893764708.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5068016100 + 3006657889 = 71190^2 + 54833^2 .

It is a cyclic number.

It is not a de Polignac number, because 8074673989 - 225 = 8041119557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8074673983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4037336994 + 4037336995.

It is an arithmetic number, because the mean of its divisors is an integer number (4037336995).

Almost surely, 28074673989 is an apocalyptic number.

It is an amenable number.

8074673989 is a deficient number, since it is larger than the sum of its proper divisors (1).

8074673989 is an equidigital number, since it uses as much as digits as its factorization.

8074673989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18289152, while the sum is 61.

The square root of 8074673989 is about 89859.1897860202. The cubic root of 8074673989 is about 2006.2035703789.

The spelling of 8074673989 in words is "eight billion, seventy-four million, six hundred seventy-three thousand, nine hundred eighty-nine".