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11206132613 = 132371792121
BaseRepresentation
bin10100110111111000…
…00000001110000101
31001220222022112000122
422123330000032011
5140422232220423
65051550151325
7544461361364
oct123374001605
931828275018
1011206132613
11483062a325
122208ab2545
13109784b100
1478440b7db
15458c0a8c8
hex29bf00385

11206132613 has 12 divisors (see below), whose sum is σ = 12462416388. Its totient is φ = 10064545920.

The previous prime is 11206132549. The next prime is 11206132631. The reversal of 11206132613 is 31623160211.

It can be written as a sum of positive squares in 6 ways, for example, as 306355009 + 10899777604 = 17503^2 + 104402^2 .

It is not a de Polignac number, because 11206132613 - 26 = 11206132549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11206132213) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 889808 + ... + 902313.

It is an arithmetic number, because the mean of its divisors is an integer number (1038534699).

Almost surely, 211206132613 is an apocalyptic number.

11206132613 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

11206132613 is a deficient number, since it is larger than the sum of its proper divisors (1256283775).

11206132613 is a wasteful number, since it uses less digits than its factorization.

11206132613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1792184 (or 1792171 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 11206132613 its reverse (31623160211), we get a palindrome (42829292824).

The spelling of 11206132613 in words is "eleven billion, two hundred six million, one hundred thirty-two thousand, six hundred thirteen".

Divisors: 1 13 37 169 481 6253 1792121 23297573 66308477 302868449 862010201 11206132613