Search a number
-
+
78826053743 is a prime number
BaseRepresentation
bin100100101101001100…
…1100010000001101111
321112110112010102110222
41021122121202001233
52242413432204433
6100113455521555
75460245254523
oct1113231420157
9245415112428
1078826053743
1130480285968
121333a8292bb
137582b63368
143b5acabd83
1520b53ccb98
hex125a66206f

78826053743 has 2 divisors, whose sum is σ = 78826053744. Its totient is φ = 78826053742.

The previous prime is 78826053697. The next prime is 78826053769. The reversal of 78826053743 is 34735062887.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 78826053743 - 210 = 78826052719 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (78826053793) 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, 39413026871 + 39413026872.

It is an arithmetic number, because the mean of its divisors is an integer number (39413026872).

Almost surely, 278826053743 is an apocalyptic number.

78826053743 is a deficient number, since it is larger than the sum of its proper divisors (1).

78826053743 is an equidigital number, since it uses as much as digits as its factorization.

78826053743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6773760, while the sum is 53.

The spelling of 78826053743 in words is "seventy-eight billion, eight hundred twenty-six million, fifty-three thousand, seven hundred forty-three".