Search a number
-
+
87265993210 = 25111077414273
BaseRepresentation
bin101000101000101110…
…1010110000111111010
322100020201100202212121
41101101131112013322
52412210043240320
6104031153031454
76206350463164
oct1212135260772
9270221322777
1087265993210
1134011418350
1214ab525558a
1382c958cb96
14431bb75934
15240b32a8aa
hex14517561fa

87265993210 has 32 divisors (see below), whose sum is σ = 172960183872. Its totient is φ = 31436513280.

The previous prime is 87265993159. The next prime is 87265993211. The reversal of 87265993210 is 1239956278.

It is a super-2 number, since 2×872659932102 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87265993211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3695367 + ... + 3718906.

It is an arithmetic number, because the mean of its divisors is an integer number (5405005746).

Almost surely, 287265993210 is an apocalyptic number.

87265993210 is a deficient number, since it is larger than the sum of its proper divisors (85694190662).

87265993210 is a wasteful number, since it uses less digits than its factorization.

87265993210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7414398.

The product of its (nonzero) digits is 1632960, while the sum is 52.

The spelling of 87265993210 in words is "eighty-seven billion, two hundred sixty-five million, nine hundred ninety-three thousand, two hundred ten".

Divisors: 1 2 5 10 11 22 55 107 110 214 535 1070 1177 2354 5885 11770 7414273 14828546 37071365 74142730 81557003 163114006 407785015 793327211 815570030 1586654422 3966636055 7933272110 8726599321 17453198642 43632996605 87265993210