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748498417081 is a prime number
BaseRepresentation
bin10101110010001011111…
…10110111010110111001
32122120000010211020211121
422321011332313112321
544230411043321311
61331504434425241
7105035326366342
oct12710576672671
92576003736747
10748498417081
11269488930228
12101092732221
13557770b205c
142832843d0c9
151470bbddb71
hexae45fb75b9

748498417081 has 2 divisors, whose sum is σ = 748498417082. Its totient is φ = 748498417080.

The previous prime is 748498417001. The next prime is 748498417087. The reversal of 748498417081 is 180714894847.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 622704061456 + 125794355625 = 789116^2 + 354675^2 .

It is a cyclic number.

It is not a de Polignac number, because 748498417081 - 239 = 198742603193 is a prime.

It is a super-2 number, since 2×7484984170812 (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (748498417087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 374249208540 + 374249208541.

It is an arithmetic number, because the mean of its divisors is an integer number (374249208541).

Almost surely, 2748498417081 is an apocalyptic number.

It is an amenable number.

748498417081 is a deficient number, since it is larger than the sum of its proper divisors (1).

748498417081 is an equidigital number, since it uses as much as digits as its factorization.

748498417081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14450688, while the sum is 61.

The spelling of 748498417081 in words is "seven hundred forty-eight billion, four hundred ninety-eight million, four hundred seventeen thousand, eighty-one".