Search a number
-
+
172112248349 = 2207331323539
BaseRepresentation
bin1010000001001010110…
…0000111111000011101
3121110020210120010010122
42200102230013320131
510304441213421344
6211022310444325
715302046654416
oct2402254077035
9543223503118
10172112248349
1166aa0971668
12294340636a5
13132cb742c92
14848a3d080d
154724ed1aee
hex2812b07e1d

172112248349 has 8 divisors (see below), whose sum is σ = 172249524480. Its totient is φ = 171975030336.

The previous prime is 172112248339. The next prime is 172112248433. The reversal of 172112248349 is 943842211271.

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 172112248349 - 24 = 172112248333 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 (172112248339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7300022 + ... + 7323560.

It is an arithmetic number, because the mean of its divisors is an integer number (21531190560).

Almost surely, 2172112248349 is an apocalyptic number.

It is an amenable number.

172112248349 is a deficient number, since it is larger than the sum of its proper divisors (137276131).

172112248349 is a wasteful number, since it uses less digits than its factorization.

172112248349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29059.

The product of its digits is 193536, while the sum is 44.

The spelling of 172112248349 in words is "one hundred seventy-two billion, one hundred twelve million, two hundred forty-eight thousand, three hundred forty-nine".

Divisors: 1 2207 3313 23539 7311791 51950573 77984707 172112248349