Search a number
-
+
9000090900009 = 321129091909091
BaseRepresentation
bin1000001011110111111100…
…1110001001011000101001
31011212101210210212000201100
42002331333032021120221
52134424141232300014
631050330142512013
71616143433256666
oct202757716113051
934771723760640
109000090900009
11295aa0a754700
121014340295609
13503921968491
1423186cbc8a6d
151091a6685009
hex82f7f389629

9000090900009 has 36 divisors (see below), whose sum is σ = 14290988058256. Its totient is φ = 5453994546000.

The previous prime is 9000090899959. The next prime is 9000090900011.

9000090900009 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 9000090900009 - 27 = 9000090899881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9000090900709) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 9445554 + ... + 10354644.

Almost surely, 29000090900009 is an apocalyptic number.

9000090900009 is a gapful number since it is divisible by the number (99) formed by its first and last digit.

It is an amenable number.

9000090900009 is a deficient number, since it is larger than the sum of its proper divisors (5290897158247).

9000090900009 is a wasteful number, since it uses less digits than its factorization.

9000090900009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918210 (or 918196 counting only the distinct ones).

The product of its (nonzero) digits is 6561, while the sum is 36.

It can be divided in two parts, 9000090 and 900009, that added together give a palindrome (9900099).

The spelling of 9000090900009 in words is "nine trillion, ninety million, nine hundred thousand, nine".

Divisors: 1 3 9 11 33 99 121 363 1089 9091 27273 81819 100001 300003 900009 909091 1100011 2727273 3300033 8181819 9900099 10000001 30000003 90000009 110000011 330000033 990000099 8264546281 24793638843 74380916529 90910009091 272730027273 818190081819 1000010100001 3000030300003 9000090900009