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2108711086 = 21955492397
BaseRepresentation
bin111110110110000…
…0110000010101110
312102221220121210121
41331230012002232
513304312223321
6545124555154
7103153514506
oct17554060256
95387817717
102108711086
11992348939
124aa252aba
13277b4ab51
141600b6a06
15c51d8441
hex7db060ae

2108711086 has 8 divisors (see below), whose sum is σ = 3329543880. Its totient is φ = 998863128.

The previous prime is 2108711083. The next prime is 2108711123. The reversal of 2108711086 is 6801178012.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2108711081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27746161 + ... + 27746236.

It is an arithmetic number, because the mean of its divisors is an integer number (416192985).

Almost surely, 22108711086 is an apocalyptic number.

2108711086 is a deficient number, since it is larger than the sum of its proper divisors (1220832794).

2108711086 is a wasteful number, since it uses less digits than its factorization.

2108711086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55492418.

The product of its (nonzero) digits is 5376, while the sum is 34.

The square root of 2108711086 is about 45920.7043282221. The cubic root of 2108711086 is about 1282.3473945440.

Adding to 2108711086 its reverse (6801178012), we get a palindrome (8909889098).

The spelling of 2108711086 in words is "two billion, one hundred eight million, seven hundred eleven thousand, eighty-six".

Divisors: 1 2 19 38 55492397 110984794 1054355543 2108711086