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11220130212 = 2231735404687
BaseRepresentation
bin10100111001100010…
…11001100110100100
31001221221122200010020
422130301121212210
5140434323131322
65053210155140
7545021350614
oct123461314644
931857580106
1011220130212
11483851a995
122211722ab0
13109a70c405
14786212a44
1545a07305c
hex29cc599a4

11220130212 has 24 divisors (see below), whose sum is σ = 26331639936. Its totient is φ = 3718423968.

The previous prime is 11220130183. The next prime is 11220130279. The reversal of 11220130212 is 21203102211.

It is a junction number, because it is equal to n+sod(n) for n = 11220130191 and 11220130200.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2700268 + ... + 2704419.

It is an arithmetic number, because the mean of its divisors is an integer number (1097151664).

Almost surely, 211220130212 is an apocalyptic number.

11220130212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11220130212 is an abundant number, since it is smaller than the sum of its proper divisors (15111509724).

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

11220130212 is a wasteful number, since it uses less digits than its factorization.

11220130212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5404867 (or 5404865 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11220130212 its reverse (21203102211), we get a palindrome (32423232423).

The spelling of 11220130212 in words is "eleven billion, two hundred twenty million, one hundred thirty thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 173 346 519 692 1038 2076 5404687 10809374 16214061 21618748 32428122 64856244 935010851 1870021702 2805032553 3740043404 5610065106 11220130212