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12788149878963 = 327075320082619
BaseRepresentation
bin1011101000010111100100…
…1000011000000010110011
31200021112110011010022201100
42322011321020120002303
53134010112332111323
643110443413135443
72456625163314504
oct272057110300263
950245404108640
1012788149878963
114090473247238
12152651962a583
13719bc0590504
14322d421bcbab
151729b0bea943
hexba1792180b3

12788149878963 has 12 divisors (see below), whose sum is σ = 18472034041240. Its totient is φ = 8525312332416.

The previous prime is 12788149878961. The next prime is 12788149879013. The reversal of 12788149878963 is 36987894188721.

It is not a de Polignac number, because 12788149878963 - 21 = 12788149878961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12788149878961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9404533 + ... + 10678086.

Almost surely, 212788149878963 is an apocalyptic number.

12788149878963 is a deficient number, since it is larger than the sum of its proper divisors (5683884162277).

12788149878963 is a wasteful number, since it uses less digits than its factorization.

12788149878963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20153378 (or 20153375 counting only the distinct ones).

The product of its digits is 2341011456, while the sum is 81.

The spelling of 12788149878963 in words is "twelve trillion, seven hundred eighty-eight billion, one hundred forty-nine million, eight hundred seventy-eight thousand, nine hundred sixty-three".

Divisors: 1 3 9 70753 212259 636777 20082619 60247857 180743571 1420905542107 4262716626321 12788149878963