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4811886881 is a prime number
BaseRepresentation
bin1000111101100111…
…11001000100100001
3110102100102011212122
410132303321010201
534323320340011
62113251234025
7230146235504
oct43663710441
913370364778
104811886881
11204a20391a
12b235a8915
135b8ba6c59
143390d513b
151d26993db
hex11ecf9121

4811886881 has 2 divisors, whose sum is σ = 4811886882. Its totient is φ = 4811886880.

The previous prime is 4811886847. The next prime is 4811886887. The reversal of 4811886881 is 1886881184.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2528480656 + 2283406225 = 50284^2 + 47785^2 .

It is a cyclic number.

It is not a de Polignac number, because 4811886881 - 210 = 4811885857 is a prime.

It is a super-2 number, since 2×48118868812 = 46308510711079816322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4811886887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2405943440 + 2405943441.

It is an arithmetic number, because the mean of its divisors is an integer number (2405943441).

Almost surely, 24811886881 is an apocalyptic number.

It is an amenable number.

4811886881 is a deficient number, since it is larger than the sum of its proper divisors (1).

4811886881 is an equidigital number, since it uses as much as digits as its factorization.

4811886881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 786432, while the sum is 53.

The square root of 4811886881 is about 69367.7654317912. The cubic root of 4811886881 is about 1688.2566526909.

The spelling of 4811886881 in words is "four billion, eight hundred eleven million, eight hundred eighty-six thousand, eight hundred eighty-one".