Search a number
-
+
2750250557 is a prime number
BaseRepresentation
bin1010001111101101…
…0111111000111101
321002200002012111202
42203323113320331
521113031004212
61132523225245
7125103513125
oct24373277075
97080065452
102750250557
111191498a4a
12649078225
1334aa2bbc2
141c1393c85
151116ae0c2
hexa3ed7e3d

2750250557 has 2 divisors, whose sum is σ = 2750250558. Its totient is φ = 2750250556.

The previous prime is 2750250541. The next prime is 2750250577. The reversal of 2750250557 is 7550520572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2555201401 + 195049156 = 50549^2 + 13966^2 .

It is a cyclic number.

It is not a de Polignac number, because 2750250557 - 24 = 2750250541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2750250557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2750250527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375125278 + 1375125279.

It is an arithmetic number, because the mean of its divisors is an integer number (1375125279).

Almost surely, 22750250557 is an apocalyptic number.

It is an amenable number.

2750250557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2750250557 is an equidigital number, since it uses as much as digits as its factorization.

2750250557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122500, while the sum is 38.

The square root of 2750250557 is about 52442.8313213541. The cubic root of 2750250557 is about 1401.0622137669.

The spelling of 2750250557 in words is "two billion, seven hundred fifty million, two hundred fifty thousand, five hundred fifty-seven".