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2172064703 = 7329754311
BaseRepresentation
bin1000000101110111…
…0001001110111111
312121101010022121212
42001131301032333
513422022032303
6555310515035
7104553150104
oct20135611677
95541108555
102172064703
11a1508a3a6
12507505a7b
132880003b3
14168688aab
15caa4ead8
hex817713bf

2172064703 has 4 divisors (see below), whose sum is σ = 2201819088. Its totient is φ = 2142310320.

The previous prime is 2172064681. The next prime is 2172064717. The reversal of 2172064703 is 3074602712.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2172064703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2172064703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2172064403) 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, 14877083 + ... + 14877228.

It is an arithmetic number, because the mean of its divisors is an integer number (550454772).

Almost surely, 22172064703 is an apocalyptic number.

2172064703 is a deficient number, since it is larger than the sum of its proper divisors (29754385).

2172064703 is an equidigital number, since it uses as much as digits as its factorization.

2172064703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29754384.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 2172064703 is about 46605.4149536296. The cubic root of 2172064703 is about 1295.0630705258.

The spelling of 2172064703 in words is "two billion, one hundred seventy-two million, sixty-four thousand, seven hundred three".

Divisors: 1 73 29754311 2172064703