Search a number
-
+
78026076473 is a prime number
BaseRepresentation
bin100100010101010110…
…1110111000100111001
321110101202211100222012
41020222231313010321
52234244133421343
655502241335305
75431362464342
oct1105255670471
9243352740865
1078026076473
11300aa760124
1213156937535
1374861ba927
143ac294b0c9
15206a05c718
hex122ab77139

78026076473 has 2 divisors, whose sum is σ = 78026076474. Its totient is φ = 78026076472.

The previous prime is 78026076463. The next prime is 78026076493. The reversal of 78026076473 is 37467062087.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72193241344 + 5832835129 = 268688^2 + 76373^2 .

It is a cyclic number.

It is not a de Polignac number, because 78026076473 - 26 = 78026076409 is a prime.

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 (78026076463) 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, 39013038236 + 39013038237.

It is an arithmetic number, because the mean of its divisors is an integer number (39013038237).

Almost surely, 278026076473 is an apocalyptic number.

It is an amenable number.

78026076473 is a deficient number, since it is larger than the sum of its proper divisors (1).

78026076473 is an equidigital number, since it uses as much as digits as its factorization.

78026076473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2370816, while the sum is 50.

The spelling of 78026076473 in words is "seventy-eight billion, twenty-six million, seventy-six thousand, four hundred seventy-three".