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13723650400 = 255231532197
BaseRepresentation
bin11001100011111111…
…00100100101100000
31022102102110200012011
430301333210211200
5211101223303100
610145441242304
7664041050365
oct146177444540
938372420164
1013723650400
115902708739
1227b0033394
1313a92a1bc5
149428dc46c
15554c46bba
hex331fe4960

13723650400 has 216 divisors, whose sum is σ = 35427357504. Its totient is φ = 5185689600.

The previous prime is 13723650389. The next prime is 13723650439. The reversal of 13723650400 is 405632731.

13723650400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 69663102 + ... + 69663298.

It is an arithmetic number, because the mean of its divisors is an integer number (164015544).

Almost surely, 213723650400 is an apocalyptic number.

13723650400 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 13723650400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17713678752).

13723650400 is an abundant number, since it is smaller than the sum of its proper divisors (21703707104).

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

13723650400 is a wasteful number, since it uses less digits than its factorization.

13723650400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The spelling of 13723650400 in words is "thirteen billion, seven hundred twenty-three million, six hundred fifty thousand, four hundred".