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13068024840 = 233751311491
BaseRepresentation
bin11000010101110101…
…00011110000001000
31020201201210110000000
430022322203300020
5203230403243330
610000421043000
7641560243533
oct141272436010
936651713000
1013068024840
1155a6617532
122648556460
1313034cb4a0
148bd7d5a1a
155173dc560
hex30aea3c08

13068024840 has 256 divisors, whose sum is σ = 47494137600. Its totient is φ = 3216464640.

The previous prime is 13068024829. The next prime is 13068024841. The reversal of 13068024840 is 4842086031.

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

It is a junction number, because it is equal to n+sod(n) for n = 13068024795 and 13068024804.

It is not an unprimeable number, because it can be changed into a prime (13068024841) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1131495 + ... + 1142985.

It is an arithmetic number, because the mean of its divisors is an integer number (185523975).

Almost surely, 213068024840 is an apocalyptic number.

13068024840 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 13068024840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23747068800).

13068024840 is an abundant number, since it is smaller than the sum of its proper divisors (34426112760).

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

13068024840 is a wasteful number, since it uses less digits than its factorization.

13068024840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11536 (or 11514 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The spelling of 13068024840 in words is "thirteen billion, sixty-eight million, twenty-four thousand, eight hundred forty".