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13190206855 = 57253837579
BaseRepresentation
bin11000100100011001…
…01001010110000111
31021001020200221012211
430102030221112013
5204003143104410
610020503524251
7644602623400
oct142214512607
937036627184
1013190206855
115659589701
122681459687
13132290a637
148d1b1c9a7
15522ec468a
hex312329587

13190206855 has 12 divisors (see below), whose sum is σ = 18412452360. Its totient is φ = 9044713104.

The previous prime is 13190206817. The next prime is 13190206867. The reversal of 13190206855 is 55860209131.

It is not a de Polignac number, because 13190206855 - 29 = 13190206343 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26918545 + ... + 26919034.

It is an arithmetic number, because the mean of its divisors is an integer number (1534371030).

Almost surely, 213190206855 is an apocalyptic number.

13190206855 is a deficient number, since it is larger than the sum of its proper divisors (5222245505).

13190206855 is an equidigital number, since it uses as much as digits as its factorization.

13190206855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53837598 (or 53837591 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 40.

The spelling of 13190206855 in words is "thirteen billion, one hundred ninety million, two hundred six thousand, eight hundred fifty-five".

Divisors: 1 5 7 35 49 245 53837579 269187895 376863053 1884315265 2638041371 13190206855