Search a number
-
+
78317426059 = 591549856949
BaseRepresentation
bin100100011110000010…
…1010001010110001011
321111011002001110110121
41020330011101112023
52240343230113214
655551210124111
75441531065135
oct1107405212613
9244132043417
1078317426059
113023a166404
1213218420637
13750167a232
143b0d50c055
15208590d424
hex123c15158b

78317426059 has 8 divisors (see below), whose sum is σ = 79696350000. Its totient is φ = 76940219232.

The previous prime is 78317426053. The next prime is 78317426087. The reversal of 78317426059 is 95062471387.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 78317426059 - 211 = 78317424011 is a prime.

It is a super-2 number, since 2×783174260592 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 78317425997 and 78317426015.

It is not an unprimeable number, because it can be changed into a prime (78317426053) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 337084 + ... + 519865.

It is an arithmetic number, because the mean of its divisors is an integer number (9962043750).

It is a 1-persistent number, because it is pandigital, but 2⋅78317426059 = 156634852118 is not.

Almost surely, 278317426059 is an apocalyptic number.

78317426059 is a deficient number, since it is larger than the sum of its proper divisors (1378923941).

78317426059 is a wasteful number, since it uses less digits than its factorization.

78317426059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858557.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 78317426059 in words is "seventy-eight billion, three hundred seventeen million, four hundred twenty-six thousand, fifty-nine".

Divisors: 1 59 1549 91391 856949 50559991 1327414001 78317426059