[go: up one dir, main page]

Search a number
-
+
2548326881 is a prime number
BaseRepresentation
bin1001011111100100…
…0110000111100001
320120121010102022002
42113321012013201
520204332430011
61100511253345
7120102264302
oct22771060741
96517112262
102548326881
111098511781
125b151a255
13317c50139
141a26307a9
15edac4c3b
hex97e461e1

2548326881 has 2 divisors, whose sum is σ = 2548326882. Its totient is φ = 2548326880.

The previous prime is 2548326857. The next prime is 2548326901. The reversal of 2548326881 is 1886238452.

2548326881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2538144400 + 10182481 = 50380^2 + 3191^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2548326881 is a prime.

It is a super-2 number, since 2×25483268812 = 12987939784854376322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2548326181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1274163440 + 1274163441.

It is an arithmetic number, because the mean of its divisors is an integer number (1274163441).

Almost surely, 22548326881 is an apocalyptic number.

It is an amenable number.

2548326881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2548326881 is an equidigital number, since it uses as much as digits as its factorization.

2548326881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 737280, while the sum is 47.

The square root of 2548326881 is about 50480.9556268500. The cubic root of 2548326881 is about 1365.8983439146.

The spelling of 2548326881 in words is "two billion, five hundred forty-eight million, three hundred twenty-six thousand, eight hundred eighty-one".