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2107714187 = 43173421673
BaseRepresentation
bin111110110100001…
…0010101010001011
312102220000222022102
41331220102222023
513304033323222
6545051344015
7103142163215
oct17550225213
95386028272
102107714187
11991827957
124a9a5200b
1327788c177
1415dcd75b5
15c508cd92
hex7da12a8b

2107714187 has 16 divisors (see below), whose sum is σ = 2177580768. Its totient is φ = 2038901760.

The previous prime is 2107714163. The next prime is 2107714243. The reversal of 2107714187 is 7814177012.

It is not a de Polignac number, because 2107714187 - 212 = 2107710091 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2107714187.

It is not an unprimeable number, because it can be changed into a prime (2107714117) 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, 3131483 + ... + 3132155.

It is an arithmetic number, because the mean of its divisors is an integer number (136098798).

Almost surely, 22107714187 is an apocalyptic number.

2107714187 is a deficient number, since it is larger than the sum of its proper divisors (69866581).

2107714187 is a wasteful number, since it uses less digits than its factorization.

2107714187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1310.

The product of its (nonzero) digits is 21952, while the sum is 38.

The square root of 2107714187 is about 45909.8484750277. The cubic root of 2107714187 is about 1282.1452849318.

The spelling of 2107714187 in words is "two billion, one hundred seven million, seven hundred fourteen thousand, one hundred eighty-seven".

Divisors: 1 43 173 421 673 7439 18103 28939 72833 116429 283333 3131819 5006447 12183319 49016609 2107714187