Search a number
-
+
268607775818573 = 13110939929188939
BaseRepresentation
bin111101000100110000011111…
…000011111100001101001101
31022020001122121201211112200122
4331010300133003330031031
5240201332211102143243
62351140413025034325
7110402162041560512
oct7504603703741515
91266048551745618
10268607775818573
117864aa1094a824
1226161ba07859a5
13b6b57b232c0a9
144a4898586d309
15210c1883db668
hexf44c1f0fc34d

268607775818573 has 16 divisors (see below), whose sum is σ = 270934563873600. Its totient is φ = 266285226829440.

The previous prime is 268607775818533. The next prime is 268607775818593. The reversal of 268607775818573 is 375818577706862.

It is a cyclic number.

It is not a de Polignac number, because 268607775818573 - 26 = 268607775818509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268607775818533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1421569538 + ... + 1421758476.

It is an arithmetic number, because the mean of its divisors is an integer number (16933410242100).

Almost surely, 2268607775818573 is an apocalyptic number.

It is an amenable number.

268607775818573 is a deficient number, since it is larger than the sum of its proper divisors (2326788055027).

268607775818573 is a wasteful number, since it uses less digits than its factorization.

268607775818573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200092.

The product of its (nonzero) digits is 6638284800, while the sum is 80.

The spelling of 268607775818573 in words is "two hundred sixty-eight trillion, six hundred seven billion, seven hundred seventy-five million, eight hundred eighteen thousand, five hundred seventy-three".

Divisors: 1 131 1093 9929 143183 188939 1300699 10852397 24751009 206510327 1421664007 1875975331 27052852837 245752768361 2050441036783 268607775818573