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748955466881 is a prime number
BaseRepresentation
bin10101110011000010011…
…10010111110010000001
32122121011222211210021222
422321201032113302001
544232330044420011
61332022042524425
7105052546300136
oct12714116276201
92577158753258
10748955466881
112696a2921536
1210119b806715
135581a9a981b
142836d01458d
1514736dc0ddb
hexae61397c81

748955466881 has 2 divisors, whose sum is σ = 748955466882. Its totient is φ = 748955466880.

The previous prime is 748955466821. The next prime is 748955466893. The reversal of 748955466881 is 188664559847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 539908996225 + 209046470656 = 734785^2 + 457216^2 .

It is a cyclic number.

It is not a de Polignac number, because 748955466881 - 210 = 748955465857 is a prime.

It is a super-2 number, since 2×7489554668812 (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (748955466821) 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, 374477733440 + 374477733441.

It is an arithmetic number, because the mean of its divisors is an integer number (374477733441).

Almost surely, 2748955466881 is an apocalyptic number.

It is an amenable number.

748955466881 is a deficient number, since it is larger than the sum of its proper divisors (1).

748955466881 is an equidigital number, since it uses as much as digits as its factorization.

748955466881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 464486400, while the sum is 71.

The spelling of 748955466881 in words is "seven hundred forty-eight billion, nine hundred fifty-five million, four hundred sixty-six thousand, eight hundred eighty-one".