Search a number
-
+
317121110 = 25173183307
BaseRepresentation
bin10010111001101…
…110001001010110
3211002201102101022
4102321232021112
51122140333420
651245001142
710600325225
oct2271561126
9732642338
10317121110
11153008869
128a2531b2
1350913a37
143018ccbc
151cc91c25
hex12e6e256

317121110 has 16 divisors (see below), whose sum is σ = 574120656. Its totient is φ = 126114528.

The previous prime is 317121097. The next prime is 317121121. The reversal of 317121110 is 11121713.

317121110 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89924 + ... + 93383.

It is an arithmetic number, because the mean of its divisors is an integer number (35882541).

Almost surely, 2317121110 is an apocalyptic number.

317121110 is a deficient number, since it is larger than the sum of its proper divisors (256999546).

317121110 is a wasteful number, since it uses less digits than its factorization.

317121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183487.

The product of its (nonzero) digits is 42, while the sum is 17.

The square root of 317121110 is about 17807.8945976216. The cubic root of 317121110 is about 681.9330162998.

Adding to 317121110 its reverse (11121713), we get a palindrome (328242823).

The spelling of 317121110 in words is "three hundred seventeen million, one hundred twenty-one thousand, one hundred ten".

Divisors: 1 2 5 10 173 346 865 1730 183307 366614 916535 1833070 31712111 63424222 158560555 317121110