Search a number
-
+
7900514189 is a prime number
BaseRepresentation
bin1110101101110100…
…00100011110001101
3202101121012201000122
413112322010132031
5112140012423224
63343543234325
7366532156031
oct72672043615
922347181018
107900514189
1133946a8277
121645a489a5
1398ba4c689
1454d3ac1c1
153138e815e
hex1d6e8478d

7900514189 has 2 divisors, whose sum is σ = 7900514190. Its totient is φ = 7900514188.

The previous prime is 7900514173. The next prime is 7900514221. The reversal of 7900514189 is 9814150097.

7900514189 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4919900164 + 2980614025 = 70142^2 + 54595^2 .

It is a cyclic number.

It is not a de Polignac number, because 7900514189 - 24 = 7900514173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7900514389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3950257094 + 3950257095.

It is an arithmetic number, because the mean of its divisors is an integer number (3950257095).

Almost surely, 27900514189 is an apocalyptic number.

It is an amenable number.

7900514189 is a deficient number, since it is larger than the sum of its proper divisors (1).

7900514189 is an equidigital number, since it uses as much as digits as its factorization.

7900514189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 44.

The square root of 7900514189 is about 88884.8366652040. The cubic root of 7900514189 is about 1991.6749102728.

The spelling of 7900514189 in words is "seven billion, nine hundred million, five hundred fourteen thousand, one hundred eighty-nine".