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13365831198720 = 21135721113312003
BaseRepresentation
bin1100001001111111100110…
…0111101110100000000000
31202022202112202102221121210
43002133321213232200000
53222441210241324340
644232102244450120
72546435520443100
oct302377147564000
952282482387553
1013365831198720
1142934652a0a50
1215ba4799a9940
1375c51435a440
14342ca4249200
15182a2148b180
hexc27f99ee800

13365831198720 has 2304 divisors, whose sum is σ = 60352738467840. Its totient is φ = 2479738060800.

The previous prime is 13365831198703. The next prime is 13365831198781. The reversal of 13365831198720 is 2789113856331.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6672905239 + ... + 6672907241.

It is an arithmetic number, because the mean of its divisors is an integer number (26194764960).

Almost surely, 213365831198720 is an apocalyptic number.

13365831198720 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 13365831198720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30176369233920).

13365831198720 is an abundant number, since it is smaller than the sum of its proper divisors (46986907269120).

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

13365831198720 is a wasteful number, since it uses less digits than its factorization.

13365831198720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102 (or 2075 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 13365831198720 in words is "thirteen trillion, three hundred sixty-five billion, eight hundred thirty-one million, one hundred ninety-eight thousand, seven hundred twenty".