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13068692090 = 251306869209
BaseRepresentation
bin11000010101111010…
…00110101001111010
31020201210001100021222
430022331012221322
5203231041121330
610000443232042
7641566023056
oct141275065172
936653040258
1013068692090
1155a6a32883
122648818622
1313036a30cc
148bd92ac66
155174c00e5
hex30af46a7a

13068692090 has 8 divisors (see below), whose sum is σ = 23523645780. Its totient is φ = 5227476832.

The previous prime is 13068692059. The next prime is 13068692123. The reversal of 13068692090 is 9029686031.

It can be written as a sum of positive squares in 2 ways, for example, as 12710082121 + 358609969 = 112739^2 + 18937^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653434595 + ... + 653434614.

Almost surely, 213068692090 is an apocalyptic number.

13068692090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13068692090 is a deficient number, since it is larger than the sum of its proper divisors (10454953690).

13068692090 is a wasteful number, since it uses less digits than its factorization.

13068692090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306869216.

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 13068692090 in words is "thirteen billion, sixty-eight million, six hundred ninety-two thousand, ninety".

Divisors: 1 2 5 10 1306869209 2613738418 6534346045 13068692090