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2172471703 = 71149205357
BaseRepresentation
bin1000000101111101…
…0100100110010111
312121101212222220221
42001133110212113
513422123043303
6555323335211
7104556463513
oct20137244627
95541788827
102172471703
11a15338166
12507681507
1328811371c
14168753143
15caad04bd
hex817d4997

2172471703 has 8 divisors (see below), whose sum is σ = 2217866400. Its totient is φ = 2127488160.

The previous prime is 2172471689. The next prime is 2172471713. The reversal of 2172471703 is 3071742712.

2172471703 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2172471703 - 221 = 2170374551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2172471713) 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, 92100 + ... + 113257.

It is an arithmetic number, because the mean of its divisors is an integer number (277233300).

Almost surely, 22172471703 is an apocalyptic number.

2172471703 is a deficient number, since it is larger than the sum of its proper divisors (45394697).

2172471703 is a wasteful number, since it uses less digits than its factorization.

2172471703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205577.

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 2172471703 is about 46609.7811945089. The cubic root of 2172471703 is about 1295.1439548184.

The spelling of 2172471703 in words is "two billion, one hundred seventy-two million, four hundred seventy-one thousand, seven hundred three".

Divisors: 1 71 149 10579 205357 14580347 30598193 2172471703