Search a number
-
+
2171352707 = 53109337483
BaseRepresentation
bin1000000101101100…
…0011011010000011
312121022210010221122
42001123003122003
513421331241312
6555243342455
7104544123236
oct20133033203
95538703848
102171352707
11a14743477
12507221a2b
13287b112b4
1416854141d
15ca95db72
hex816c3683

2171352707 has 8 divisors (see below), whose sum is σ = 2214404784. Its totient is φ = 2128377888.

The previous prime is 2171352691. The next prime is 2171352787. The reversal of 2171352707 is 7072531712.

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 2171352707 - 24 = 2171352691 is a prime.

It is a super-4 number, since 4×21713527074 (a number of 38 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2171352787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39188 + ... + 76670.

It is an arithmetic number, because the mean of its divisors is an integer number (276800598).

Almost surely, 22171352707 is an apocalyptic number.

2171352707 is a deficient number, since it is larger than the sum of its proper divisors (43052077).

2171352707 is a wasteful number, since it uses less digits than its factorization.

2171352707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38629.

The product of its (nonzero) digits is 20580, while the sum is 35.

The square root of 2171352707 is about 46597.7757730989. The cubic root of 2171352707 is about 1294.9215491898.

The spelling of 2171352707 in words is "two billion, one hundred seventy-one million, three hundred fifty-two thousand, seven hundred seven".

Divisors: 1 53 1093 37483 57929 1986599 40968919 2171352707