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11213013222 = 234233009397
BaseRepresentation
bin10100111000101100…
…10000000011100110
31001221110021002110000
422130112100003212
5140431012410342
65052353442130
7544604016435
oct123426200346
931843232400
1011213013222
1148344a9884
12220b270346
1310990b9b88
147852bd11c
1545961944c
hex29c5900e6

11213013222 has 40 divisors (see below), whose sum is σ = 26217875376. Its totient is φ = 3575162448.

The previous prime is 11213013209. The next prime is 11213013223. The reversal of 11213013222 is 22231031211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11213013195 and 11213013204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213013223) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1500973 + ... + 1508424.

Almost surely, 211213013222 is an apocalyptic number.

11213013222 is an abundant number, since it is smaller than the sum of its proper divisors (15004862154).

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

11213013222 is a wasteful number, since it uses less digits than its factorization.

11213013222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3009434 (or 3009425 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11213013222 its reverse (22231031211), we get a palindrome (33444044433).

The spelling of 11213013222 in words is "eleven billion, two hundred thirteen million, thirteen thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 23 27 46 54 69 81 138 162 207 414 621 1242 1863 3726 3009397 6018794 9028191 18056382 27084573 54169146 69216131 81253719 138432262 162507438 207648393 243761157 415296786 487522314 622945179 1245890358 1868835537 3737671074 5606506611 11213013222