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13863304385 = 57618972959
BaseRepresentation
bin11001110100101000…
…10011110011000001
31022210011020211102222
430322110103303001
5211343001220020
610211350420425
71000355100020
oct147224236301
938704224388
1013863304385
115974523857
12282a961715
1313cc1ba8b8
149572928b7
15562130b25
hex33a513cc1

13863304385 has 32 divisors (see below), whose sum is σ = 19541606400. Its totient is φ = 9245237760.

The previous prime is 13863304373. The next prime is 13863304387. The reversal of 13863304385 is 58340336831.

It is not a de Polignac number, because 13863304385 - 216 = 13863238849 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13863304387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153536 + ... + 226494.

It is an arithmetic number, because the mean of its divisors is an integer number (610675200).

Almost surely, 213863304385 is an apocalyptic number.

It is an amenable number.

13863304385 is a deficient number, since it is larger than the sum of its proper divisors (5678302015).

13863304385 is an equidigital number, since it uses as much as digits as its factorization.

13863304385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73121.

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 13863304385 in words is "thirteen billion, eight hundred sixty-three million, three hundred four thousand, three hundred eighty-five".

Divisors: 1 5 7 35 61 89 305 427 445 623 2135 3115 5429 27145 38003 72959 190015 364795 510713 2553565 4450499 6493351 22252495 31153493 32466755 45453457 155767465 227267285 396094411 1980472055 2772660877 13863304385