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13906680480 = 2533571197431
BaseRepresentation
bin11001111001110011…
…10001101010100000
31022220011212120021000
430330321301222200
5211440102233410
610215540232000
71001422555650
oct147471615240
938804776230
1013906680480
115996a5a970
12284139b600
131408197024
1495cd44360
15565d4cdc0
hex33ce71aa0

13906680480 has 768 divisors, whose sum is σ = 61451550720. Its totient is φ = 2853273600.

The previous prime is 13906680433. The next prime is 13906680481. The reversal of 13906680480 is 8408660931.

13906680480 is a `hidden beast` number, since 1 + 3 + 90 + 6 + 6 + 80 + 480 = 666.

13906680480 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 (45).

It is not an unprimeable number, because it can be changed into a prime (13906680481) by changing a digit.

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 127 ways as a sum of consecutive naturals, for example, 32265865 + ... + 32266295.

It is an arithmetic number, because the mean of its divisors is an integer number (80015040).

Almost surely, 213906680480 is an apocalyptic number.

13906680480 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 13906680480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30725775360).

13906680480 is an abundant number, since it is smaller than the sum of its proper divisors (47544870240).

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

13906680480 is a wasteful number, since it uses less digits than its factorization.

13906680480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 570 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 13906680480 in words is "thirteen billion, nine hundred six million, six hundred eighty thousand, four hundred eighty".