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13073921280 = 2832572192353
BaseRepresentation
bin11000010110100010…
…00011010100000000
31020202010220000101200
430023101003110000
5203233410440110
610001151301200
7641661332400
oct141321032400
936663800350
1013073921280
1155a9984622
12264a51a800
1313047b42c4
148c04cc800
15517ba46c0
hex30b443500

13073921280 has 1296 divisors, whose sum is σ = 58887803520. Its totient is φ = 2656862208.

The previous prime is 13073921279. The next prime is 13073921291. The reversal of 13073921280 is 8212937031.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 143 ways as a sum of consecutive naturals, for example, 246677734 + ... + 246677786.

It is an arithmetic number, because the mean of its divisors is an integer number (45438120).

Almost surely, 213073921280 is an apocalyptic number.

13073921280 is a gapful number since it is divisible by the number (10) 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 13073921280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29443901760).

13073921280 is an abundant number, since it is smaller than the sum of its proper divisors (45813882240).

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

13073921280 is a wasteful number, since it uses less digits than its factorization.

13073921280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 13073921280 in words is "thirteen billion, seventy-three million, nine hundred twenty-one thousand, two hundred eighty".