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56481384941 is a prime number
BaseRepresentation
bin110100100110100011…
…011000100111101101
312101210021200122021222
4310212203120213231
51411133213304231
641540332033125
74036442564522
oct644643304755
9171707618258
1056481384941
1121a542a6533
12ab436027a5
1354317a3947
142a3b44b149
1517088ba27b
hexd268d89ed

56481384941 has 2 divisors, whose sum is σ = 56481384942. Its totient is φ = 56481384940.

The previous prime is 56481384937. The next prime is 56481385027. The reversal of 56481384941 is 14948318465.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31127192041 + 25354192900 = 176429^2 + 159230^2 .

It is a cyclic number.

It is not a de Polignac number, because 56481384941 - 22 = 56481384937 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56481384241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28240692470 + 28240692471.

It is an arithmetic number, because the mean of its divisors is an integer number (28240692471).

Almost surely, 256481384941 is an apocalyptic number.

It is an amenable number.

56481384941 is a deficient number, since it is larger than the sum of its proper divisors (1).

56481384941 is an equidigital number, since it uses as much as digits as its factorization.

56481384941 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3317760, while the sum is 53.

The spelling of 56481384941 in words is "fifty-six billion, four hundred eighty-one million, three hundred eighty-four thousand, nine hundred forty-one".