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13488179040 = 25325721910061
BaseRepresentation
bin11001000111111010…
…10100011101100000
31021211000101111012200
430203331110131200
5210110433212130
610110230253200
7655151426100
oct144375243540
937730344180
1013488179040
1157a17a8606
1227451b7200
13136c57843b
1491d525200
1553e232760
hex323f54760

13488179040 has 432 divisors, whose sum is σ = 56366921520. Its totient is φ = 2920458240.

The previous prime is 13488179011. The next prime is 13488179093. The reversal of 13488179040 is 4097188431.

It is a happy number.

13488179040 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 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 71 ways as a sum of consecutive naturals, for example, 1335610 + ... + 1345670.

It is an arithmetic number, because the mean of its divisors is an integer number (130478985).

Almost surely, 213488179040 is an apocalyptic number.

13488179040 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 13488179040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28183460760).

13488179040 is an abundant number, since it is smaller than the sum of its proper divisors (42878742480).

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

13488179040 is a wasteful number, since it uses less digits than its factorization.

13488179040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10115 (or 10097 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The spelling of 13488179040 in words is "thirteen billion, four hundred eighty-eight million, one hundred seventy-nine thousand, forty".