Search a number
-
+
660351355345 = 51172716514977
BaseRepresentation
bin10011001110000000000…
…00100000100111010001
32100010111000120120011101
421213000000200213101
541304344421332340
61223210005144401
765465056623223
oct11470000404721
92303430516141
10660351355345
11235065141080
12a7b923bb101
134a36a126766
1423d65678413
151229d375c9a
hex99c00209d1

660351355345 has 16 divisors (see below), whose sum is σ = 865649086848. Its totient is φ = 479594903040.

The previous prime is 660351355289. The next prime is 660351355453. The reversal of 660351355345 is 543553153066.

It is not a de Polignac number, because 660351355345 - 211 = 660351353297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 660351355295 and 660351355304.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8217504 + ... + 8297473.

It is an arithmetic number, because the mean of its divisors is an integer number (54103067928).

Almost surely, 2660351355345 is an apocalyptic number.

It is an amenable number.

660351355345 is a deficient number, since it is larger than the sum of its proper divisors (205297731503).

660351355345 is a wasteful number, since it uses less digits than its factorization.

660351355345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16515720.

The product of its (nonzero) digits is 2430000, while the sum is 46.

The spelling of 660351355345 in words is "six hundred sixty billion, three hundred fifty-one million, three hundred fifty-five thousand, three hundred forty-five".

Divisors: 1 5 11 55 727 3635 7997 39985 16514977 82574885 181664747 908323735 12006388279 60031941395 132070271069 660351355345