Search a number
-
+
221210110006 = 2618997210031
BaseRepresentation
bin1100111000000100100…
…1100110100000110110
3210010222111211220121021
43032001021212200312
512111014242010011
6245342244211354
721660535624264
oct3160111464066
9703874756537
10221210110006
11858a6381836
1236a56999b5a
1317b2461ac22
14a9c6da9434
155b4a576471
hex3381266836

221210110006 has 32 divisors (see below), whose sum is σ = 344561696640. Its totient is φ = 106460006400.

The previous prime is 221210110001. The next prime is 221210110019. The reversal of 221210110006 is 600011012122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221210110001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 948211 + ... + 1158241.

It is an arithmetic number, because the mean of its divisors is an integer number (10767553020).

Almost surely, 2221210110006 is an apocalyptic number.

221210110006 is a deficient number, since it is larger than the sum of its proper divisors (123351586634).

221210110006 is a wasteful number, since it uses less digits than its factorization.

221210110006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210280.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 221210110006 its reverse (600011012122), we get a palindrome (821221122128).

The spelling of 221210110006 in words is "two hundred twenty-one billion, two hundred ten million, one hundred ten thousand, six".

Divisors: 1 2 61 89 97 122 178 194 5429 5917 8633 10858 11834 17266 210031 420062 526613 1053226 12811891 18692759 20373007 25623782 37385518 40746014 1140258299 1242753427 1813197623 2280516598 2485506854 3626395246 110605055003 221210110006