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2108808793 = 71323173723
BaseRepresentation
bin111110110110001…
…1101111001011001
312102222002120211101
41331230131321121
513304323340133
6545131031401
7103154402410
oct17554357131
95388076741
102108808793
11992405293
124aa29b561
13277b83470
14160100477
15c520737d
hex7db1de59

2108808793 has 8 divisors (see below), whose sum is σ = 2595457088. Its totient is φ = 1668507984.

The previous prime is 2108808773. The next prime is 2108808799. The reversal of 2108808793 is 3978088012.

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

It is not a de Polignac number, because 2108808793 - 217 = 2108677721 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2108808799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11586771 + ... + 11586952.

It is an arithmetic number, because the mean of its divisors is an integer number (324432136).

Almost surely, 22108808793 is an apocalyptic number.

It is an amenable number.

2108808793 is a deficient number, since it is larger than the sum of its proper divisors (486648295).

2108808793 is a wasteful number, since it uses less digits than its factorization.

2108808793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23173743.

The product of its (nonzero) digits is 193536, while the sum is 46.

The square root of 2108808793 is about 45921.7681824209. The cubic root of 2108808793 is about 1282.3672000676.

It can be divided in two parts, 2108 and 808793, that added together give a triangular number (810901 = T1273).

The spelling of 2108808793 in words is "two billion, one hundred eight million, eight hundred eight thousand, seven hundred ninety-three".

Divisors: 1 7 13 91 23173723 162216061 301258399 2108808793