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13369722242 = 2817612
BaseRepresentation
bin11000111001110010…
…11100010110000010
31021111202111021000212
430130321130112002
5204340122102432
610050355314122
7652212523022
oct143471342602
937452437025
1013369722242
115740950228
1227115ab942
131350b71a66
1490b8cba82
15533b342b2
hex31ce5c582

13369722242 has 6 divisors (see below), whose sum is σ = 20054828649. Its totient is φ = 6684779360.

The previous prime is 13369722227. The next prime is 13369722271. The reversal of 13369722242 is 24222796331.

It can be written as a sum of positive squares in 2 ways, for example, as 13298471761 + 71250481 = 115319^2 + 8441^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=81761.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13369722242.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 122642 + ... + 204402.

Almost surely, 213369722242 is an apocalyptic number.

13369722242 is a deficient number, since it is larger than the sum of its proper divisors (6685106407).

13369722242 is an frugal number, since it uses more digits than its factorization.

13369722242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163524 (or 81763 counting only the distinct ones).

The product of its digits is 217728, while the sum is 41.

The spelling of 13369722242 in words is "thirteen billion, three hundred sixty-nine million, seven hundred twenty-two thousand, two hundred forty-two".

Divisors: 1 2 81761 163522 6684861121 13369722242