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2108097259 = 15113960909
BaseRepresentation
bin111110110100111…
…0000001011101011
312102220202102210021
41331221300023223
513304133103014
6545103501311
7103145350102
oct17551601353
95386672707
102108097259
11991a69744
124a9bb7837
13277994638
1415dd97039
15c5116624
hex7da702eb

2108097259 has 4 divisors (see below), whose sum is σ = 2122058320. Its totient is φ = 2094136200.

The previous prime is 2108097137. The next prime is 2108097263. The reversal of 2108097259 is 9527908012.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2108097259 - 221 = 2106000107 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2108097559) 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, 6980304 + ... + 6980605.

It is an arithmetic number, because the mean of its divisors is an integer number (530514580).

Almost surely, 22108097259 is an apocalyptic number.

2108097259 is a deficient number, since it is larger than the sum of its proper divisors (13961061).

2108097259 is a wasteful number, since it uses less digits than its factorization.

2108097259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13961060.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 2108097259 is about 45914.0202879251. The cubic root of 2108097259 is about 1282.2229558370. Note that the first 3 decimals are identical.

The spelling of 2108097259 in words is "two billion, one hundred eight million, ninety-seven thousand, two hundred fifty-nine".

Divisors: 1 151 13960909 2108097259