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13663600633 = 61337664669
BaseRepresentation
bin11001011100110100…
…11111111111111001
31022021020110211101201
430232122133333321
5210440340210013
610135454214201
7662411455234
oct145632377771
938236424351
1013663600633
115881823431
122793ab4361
131399a083b7
1493894a41b
1554e8343dd
hex32e69fff9

13663600633 has 8 divisors (see below), whose sum is σ = 13928824520. Its totient is φ = 13399706880.

The previous prime is 13663600627. The next prime is 13663600661. The reversal of 13663600633 is 33600636631.

It can be written as a sum of positive squares in 4 ways, for example, as 130233744 + 13533366889 = 11412^2 + 116333^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13663600633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13663600592 and 13663600601.

It is not an unprimeable number, because it can be changed into a prime (13663606633) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311778 + ... + 352891.

It is an arithmetic number, because the mean of its divisors is an integer number (1741103065).

Almost surely, 213663600633 is an apocalyptic number.

It is an amenable number.

13663600633 is a deficient number, since it is larger than the sum of its proper divisors (265223887).

13663600633 is an equidigital number, since it uses as much as digits as its factorization.

13663600633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665067.

The product of its (nonzero) digits is 104976, while the sum is 37.

The spelling of 13663600633 in words is "thirteen billion, six hundred sixty-three million, six hundred thousand, six hundred thirty-three".

Divisors: 1 61 337 20557 664669 40544809 223993453 13663600633