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108145811128320 = 219355779307
BaseRepresentation
bin11000100101101110101000…
…101010000000000000000000
3112011220122020112001201100000
4120211232220222000000000
5103133330110122101240
61022001255541200000
731531164005251050
oct3045565052000000
9464818215051300
10108145811128320
1131505421032239
1210167471400000
13484614c508b54
141c9c3dc7a5560
15c781c26d2430
hex625ba8a80000

108145811128320 has 1920 divisors, whose sum is σ = 451422107136000. Its totient is φ = 24326644432896.

The previous prime is 108145811128309. The next prime is 108145811128403. The reversal of 108145811128320 is 23821118541801.

108145811128320 is a `hidden beast` number, since 1 + 0 + 8 + 1 + 4 + 581 + 11 + 28 + 32 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1920).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 352266485607 + ... + 352266485913.

It is an arithmetic number, because the mean of its divisors is an integer number (235115680800).

Almost surely, 2108145811128320 is an apocalyptic number.

108145811128320 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 108145811128320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225711053568000).

108145811128320 is an abundant number, since it is smaller than the sum of its proper divisors (343276296007680).

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

108145811128320 is an frugal number, since it uses more digits than its factorization.

108145811128320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 45.

The spelling of 108145811128320 in words is "one hundred eight trillion, one hundred forty-five billion, eight hundred eleven million, one hundred twenty-eight thousand, three hundred twenty".