Search a number
-
+
890813409112 = 231146649217001
BaseRepresentation
bin11001111011010001001…
…11011110011101011000
310011011100022120220122101
430331220213132131120
5104043341213042422
61521122314533144
7121234121020504
oct14755047363530
93134308526571
10890813409112
11313878a45120
1212478b7371b4
1366007468003
14311892bd304
151828ac93c27
hexcf689de758

890813409112 has 32 divisors (see below), whose sum is σ = 1822165794000. Its totient is φ = 404904640000.

The previous prime is 890813409103. The next prime is 890813409133. The reversal of 890813409112 is 211904318098.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3996612 + ... + 4213612.

Almost surely, 2890813409112 is an apocalyptic number.

It is an amenable number.

890813409112 is an abundant number, since it is smaller than the sum of its proper divisors (931352384888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

890813409112 is a wasteful number, since it uses less digits than its factorization.

890813409112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263667 (or 263663 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 46.

The spelling of 890813409112 in words is "eight hundred ninety billion, eight hundred thirteen million, four hundred nine thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 46649 93298 186596 217001 373192 434002 513139 868004 1026278 1736008 2052556 2387011 4105112 4774022 9548044 19096088 10122879649 20245759298 40491518596 80983037192 111351676139 222703352278 445406704556 890813409112