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12863320869 = 37612539089
BaseRepresentation
bin10111111101011011…
…01011001100100101
31020012110121101221110
423332231223030211
5202321002231434
65524225335233
7633523265130
oct137655531445
936173541843
1012863320869
1155010113a3
1225aba97519
13129cc88089
148a054b217
155044544e9
hex2feb6b325

12863320869 has 8 divisors (see below), whose sum is σ = 19601250880. Its totient is φ = 7350469056.

The previous prime is 12863320849. The next prime is 12863320879. The reversal of 12863320869 is 96802336821.

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

It is not a de Polignac number, because 12863320869 - 212 = 12863316773 is a prime.

It is a super-2 number, since 2×128633208692 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12863320849) 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, 306269524 + ... + 306269565.

It is an arithmetic number, because the mean of its divisors is an integer number (2450156360).

Almost surely, 212863320869 is an apocalyptic number.

It is an amenable number.

12863320869 is a deficient number, since it is larger than the sum of its proper divisors (6737930011).

12863320869 is an equidigital number, since it uses as much as digits as its factorization.

12863320869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612539099.

The product of its (nonzero) digits is 746496, while the sum is 48.

The spelling of 12863320869 in words is "twelve billion, eight hundred sixty-three million, three hundred twenty thousand, eight hundred sixty-nine".

Divisors: 1 3 7 21 612539089 1837617267 4287773623 12863320869