Search a number
-
+
12617027620005 = 357221111648297
BaseRepresentation
bin1011011110011010000101…
…1100110000110010100101
31122200011202100101212201110
42313212201130300302211
53123204133032320010
642500103225215233
72441356464155364
oct267464134606245
948604670355643
1012617027620005
114024940191326
1214b9321031519
13706a1bc91093
1431894b4917db
1516d2e7abe120
hexb79a1730ca5

12617027620005 has 16 divisors (see below), whose sum is σ = 20187525484224. Its totient is φ = 6728987633280.

The previous prime is 12617027619979. The next prime is 12617027620007. The reversal of 12617027620005 is 50002672071621.

12617027620005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12617027620005 - 213 = 12617027611813 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12617027620007) 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, 4740984 + ... + 6907313.

It is an arithmetic number, because the mean of its divisors is an integer number (1261720342764).

Almost surely, 212617027620005 is an apocalyptic number.

12617027620005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12617027620005 is a deficient number, since it is larger than the sum of its proper divisors (7570497864219).

12617027620005 is a wasteful number, since it uses less digits than its factorization.

12617027620005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11720516.

The product of its (nonzero) digits is 70560, while the sum is 39.

Adding to 12617027620005 its reverse (50002672071621), we get a palindrome (62619699691626).

The spelling of 12617027620005 in words is "twelve trillion, six hundred seventeen billion, twenty-seven million, six hundred twenty thousand, five".

Divisors: 1 3 5 15 72211 216633 361055 1083165 11648297 34944891 58241485 174724455 841135174667 2523405524001 4205675873335 12617027620005