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107581521338368 = 213711293709821
BaseRepresentation
bin11000011101100001000110…
…010111010010000000000000
3112002220200201012021021210221
4120131201012113102000000
5103100103423430311433
61020450134004432424
731442336250213430
oct3035410627220000
9462820635237727
10107581521338368
1131308081173030
12100960299a8714
134804b80c77a5c
141c7cd8b0a22c0
15c6869793272d
hex61d8465d2000

107581521338368 has 448 divisors, whose sum is σ = 269862264887040. Its totient is φ = 41662100275200.

The previous prime is 107581521338363. The next prime is 107581521338471. The reversal of 107581521338368 is 863833125185701.

It is a tau number, because it is divible by the number of its divisors (448).

It is not an unprimeable number, because it can be changed into a prime (107581521338363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 131037175398 + ... + 131037176218.

It is an arithmetic number, because the mean of its divisors is an integer number (602371126980).

Almost surely, 2107581521338368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 107581521338368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134931132443520).

107581521338368 is an abundant number, since it is smaller than the sum of its proper divisors (162280743548672).

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

107581521338368 is an equidigital number, since it uses as much as digits as its factorization.

107581521338368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1867 (or 1843 counting only the distinct ones).

The product of its (nonzero) digits is 29030400, while the sum is 61.

The spelling of 107581521338368 in words is "one hundred seven trillion, five hundred eighty-one billion, five hundred twenty-one million, three hundred thirty-eight thousand, three hundred sixty-eight".