Search a number
-
+
208880112215 = 5593078392749
BaseRepresentation
bin1100001010001000111…
…0011001001001010111
3201222011012210010101102
43002202032121021113
511410241302042330
6235542545420315
721043146441665
oct3024216311127
9658135703342
10208880112215
1180649417a15
123459563a69b
131690acb4648
14a177609c35
155677d6d945
hex30a2399257

208880112215 has 32 divisors (see below), whose sum is σ = 256132800000. Its totient is φ = 163482081408.

The previous prime is 208880112197. The next prime is 208880112241. The reversal of 208880112215 is 512211088802.

It is a cyclic number.

It is not a de Polignac number, because 208880112215 - 28 = 208880111959 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 75982661 + ... + 75985409.

It is an arithmetic number, because the mean of its divisors is an integer number (8004150000).

Almost surely, 2208880112215 is an apocalyptic number.

208880112215 is a deficient number, since it is larger than the sum of its proper divisors (47252687785).

208880112215 is a wasteful number, since it uses less digits than its factorization.

208880112215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3959.

The product of its (nonzero) digits is 20480, while the sum is 38.

The spelling of 208880112215 in words is "two hundred eight billion, eight hundred eighty million, one hundred twelve thousand, two hundred fifteen".

Divisors: 1 5 59 295 307 839 1535 2749 4195 13745 18113 49501 90565 162191 247505 257573 810955 843943 1287865 2306411 4219715 11532055 15196807 49792637 75984035 136078249 248963185 680391245 708068177 3540340885 41776022443 208880112215