Search a number
-
+
53144407891 is a prime number
BaseRepresentation
bin110001011111101001…
…110100111101010011
312002011201120122100101
4301133221310331103
51332314432023031
640225245033231
73560653004461
oct613751647523
9162151518311
1053144407891
11205a16a6263
12a371b55817
13501c345a03
1428021a7831
1515b0961361
hexc5fa74f53

53144407891 has 2 divisors, whose sum is σ = 53144407892. Its totient is φ = 53144407890.

The previous prime is 53144407879. The next prime is 53144407903. The reversal of 53144407891 is 19870444135.

It is a balanced prime because it is at equal distance from previous prime (53144407879) and next prime (53144407903).

It is a cyclic number.

It is not a de Polignac number, because 53144407891 - 25 = 53144407859 is a prime.

It is not a weakly prime, because it can be changed into another prime (53144407801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26572203945 + 26572203946.

It is an arithmetic number, because the mean of its divisors is an integer number (26572203946).

Almost surely, 253144407891 is an apocalyptic number.

53144407891 is a deficient number, since it is larger than the sum of its proper divisors (1).

53144407891 is an equidigital number, since it uses as much as digits as its factorization.

53144407891 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 53144407891 in words is "fifty-three billion, one hundred forty-four million, four hundred seven thousand, eight hundred ninety-one".