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10448457881 is a prime number
BaseRepresentation
bin10011011101100011…
…01101000010011001
3222222011121122200112
421232301231002121
5132344301123011
64444442414105
7516631266221
oct115661550231
928864548615
1010448457881
114481978064
122037201335
13ca6897274
1471193d081
1541244458b
hex26ec6d099

10448457881 has 2 divisors, whose sum is σ = 10448457882. Its totient is φ = 10448457880.

The previous prime is 10448457869. The next prime is 10448457959. The reversal of 10448457881 is 18875484401.

10448457881 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10346144656 + 102313225 = 101716^2 + 10115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10448457881 is a prime.

It is a super-2 number, since 2×104484578812 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (10448457841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5224228940 + 5224228941.

It is an arithmetic number, because the mean of its divisors is an integer number (5224228941).

Almost surely, 210448457881 is an apocalyptic number.

It is an amenable number.

10448457881 is a deficient number, since it is larger than the sum of its proper divisors (1).

10448457881 is an equidigital number, since it uses as much as digits as its factorization.

10448457881 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1146880, while the sum is 50.

The spelling of 10448457881 in words is "ten billion, four hundred forty-eight million, four hundred fifty-seven thousand, eight hundred eighty-one".