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12903763968 = 21234192389
BaseRepresentation
bin11000000010001111…
…11101000000000000
31020022021201010110000
430001013331000000
5202411330421333
65532232240000
7634524120054
oct140107750000
936267633400
1012903763968
115521924947
122601540000
1312a84784c4
148a5a77c64
15507c92713
hex3011fd000

12903763968 has 520 divisors, whose sum is σ = 42815995200. Its totient is φ = 3853910016.

The previous prime is 12903763967. The next prime is 12903763969. The reversal of 12903763968 is 86936730921.

It is an interprime number because it is at equal distance from previous prime (12903763967) and next prime (12903763969).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12903763967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 144986068 + ... + 144986156.

Almost surely, 212903763968 is an apocalyptic number.

12903763968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12903763968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21407997600).

12903763968 is an abundant number, since it is smaller than the sum of its proper divisors (29912231232).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12903763968 is an equidigital number, since it uses as much as digits as its factorization.

12903763968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The spelling of 12903763968 in words is "twelve billion, nine hundred three million, seven hundred sixty-three thousand, nine hundred sixty-eight".