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2173143713 = 13167164901
BaseRepresentation
bin1000000110000111…
…1000101010100001
312121110011010202012
42001201320222201
513422311044323
6555350002305
7104565262646
oct20141705241
95543133665
102173143713
11a15757044
12507946395
132882ba570
14168889dcd
15cabb4678
hex81878aa1

2173143713 has 4 divisors (see below), whose sum is σ = 2340308628. Its totient is φ = 2005978800.

The previous prime is 2173143703. The next prime is 2173143719. The reversal of 2173143713 is 3173413712.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 225510289 + 1947633424 = 15017^2 + 44132^2 .

It is a cyclic number.

It is not a de Polignac number, because 2173143713 - 226 = 2106034849 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2173143713.

It is not an unprimeable number, because it can be changed into a prime (2173143719) 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, 83582438 + ... + 83582463.

It is an arithmetic number, because the mean of its divisors is an integer number (585077157).

Almost surely, 22173143713 is an apocalyptic number.

It is an amenable number.

2173143713 is a deficient number, since it is larger than the sum of its proper divisors (167164915).

2173143713 is a wasteful number, since it uses less digits than its factorization.

2173143713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167164914.

The product of its digits is 10584, while the sum is 32.

The square root of 2173143713 is about 46616.9895317147. The cubic root of 2173143713 is about 1295.2774832110.

The spelling of 2173143713 in words is "two billion, one hundred seventy-three million, one hundred forty-three thousand, seven hundred thirteen".

Divisors: 1 13 167164901 2173143713