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2103486209 = 11388949171
BaseRepresentation
bin111110101100000…
…1010011100000001
312102121002011121122
41331120022130001
513301443024314
6544421002025
7103061223566
oct17530123401
95377064548
102103486209
1198a3aa360
124a8553315
13276a3b8c6
1415d51686d
15c4a0528e
hex7d60a701

2103486209 has 8 divisors (see below), whose sum is σ = 2295348960. Its totient is φ = 1911729600.

The previous prime is 2103486199. The next prime is 2103486221. The reversal of 2103486209 is 9026843012.

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

It is not a de Polignac number, because 2103486209 - 212 = 2103482113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2103486289) 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, 18194 + ... + 67364.

It is an arithmetic number, because the mean of its divisors is an integer number (286918620).

Almost surely, 22103486209 is an apocalyptic number.

It is an amenable number.

2103486209 is a deficient number, since it is larger than the sum of its proper divisors (191862751).

2103486209 is a wasteful number, since it uses less digits than its factorization.

2103486209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53071.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 2103486209 is about 45863.7788347188. The cubic root of 2103486209 is about 1281.2874028375.

The spelling of 2103486209 in words is "two billion, one hundred three million, four hundred eighty-six thousand, two hundred nine".

Divisors: 1 11 3889 42779 49171 540881 191226019 2103486209