Search a number
-
+
215330568485 = 5194155283843
BaseRepresentation
bin1100100010001010110…
…0111011100100100101
3202120210202110020220012
43020202230323210211
512011444111142420
6242531013220005
721362043426644
oct3104254734445
9676722406805
10215330568485
118335954620a
1235895931605
13173c84a9986
14a5ca19535b
1559042d4dc5
hex3222b3b925

215330568485 has 16 divisors (see below), whose sum is σ = 278630573760. Its totient is φ = 159217464960.

The previous prime is 215330568443. The next prime is 215330568511. The reversal of 215330568485 is 584865033512.

It is not a de Polignac number, because 215330568485 - 210 = 215330567461 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27638027 + ... + 27645816.

It is an arithmetic number, because the mean of its divisors is an integer number (17414410860).

Almost surely, 2215330568485 is an apocalyptic number.

It is an amenable number.

215330568485 is a deficient number, since it is larger than the sum of its proper divisors (63300005275).

215330568485 is a wasteful number, since it uses less digits than its factorization.

215330568485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55283908.

The product of its (nonzero) digits is 3456000, while the sum is 50.

The spelling of 215330568485 in words is "two hundred fifteen billion, three hundred thirty million, five hundred sixty-eight thousand, four hundred eighty-five".

Divisors: 1 5 19 41 95 205 779 3895 55283843 276419215 1050393017 2266637563 5251965085 11333187815 43066113697 215330568485