Search a number
-
+
2087193203 = 31283237911
BaseRepresentation
bin111110001101000…
…0000101001110011
312101110102101210222
41330122000221303
513233310140303
6543035443255
7102502564244
oct17432005163
95343371728
102087193203
11981191167
124a2bb652b
13273555884
1415b2b4ccb
15c3387938
hex7c680a73

2087193203 has 8 divisors (see below), whose sum is σ = 2162144256. Its totient is φ = 2012718600.

The previous prime is 2087193197. The next prime is 2087193247. The reversal of 2087193203 is 3023917802.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2087193203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2087193103) 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, 110183 + ... + 127728.

It is an arithmetic number, because the mean of its divisors is an integer number (270268032).

Almost surely, 22087193203 is an apocalyptic number.

2087193203 is a deficient number, since it is larger than the sum of its proper divisors (74951053).

2087193203 is a wasteful number, since it uses less digits than its factorization.

2087193203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238225.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 2087193203 is about 45685.8096458846. The cubic root of 2087193203 is about 1277.9706619098.

The spelling of 2087193203 in words is "two billion, eighty-seven million, one hundred ninety-three thousand, two hundred three".

Divisors: 1 31 283 8773 237911 7375241 67328813 2087193203