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2116286173 = 15231389551
BaseRepresentation
bin111111000100011…
…1111011011011101
312110111011110212101
41332020333123131
513313232124143
6545555205101
7103305064351
oct17610773335
95414143771
102116286173
11996652141
124b08a6791
132795a0a51
141610c9461
15c5bd2b4d
hex7e23f6dd

2116286173 has 4 divisors (see below), whose sum is σ = 2117677248. Its totient is φ = 2114895100.

The previous prime is 2116286171. The next prime is 2116286203. The reversal of 2116286173 is 3716826112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2116286173 - 21 = 2116286171 is a prime.

It is a super-3 number, since 3×21162861733 (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116286171) 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, 693253 + ... + 696298.

It is an arithmetic number, because the mean of its divisors is an integer number (529419312).

Almost surely, 22116286173 is an apocalyptic number.

It is an amenable number.

2116286173 is a deficient number, since it is larger than the sum of its proper divisors (1391075).

2116286173 is a wasteful number, since it uses less digits than its factorization.

2116286173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391074.

The product of its digits is 24192, while the sum is 37.

The square root of 2116286173 is about 46003.1104709236. The cubic root of 2116286173 is about 1283.8810777839.

The spelling of 2116286173 in words is "two billion, one hundred sixteen million, two hundred eighty-six thousand, one hundred seventy-three".

Divisors: 1 1523 1389551 2116286173