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108209019020 = 22515135830801
BaseRepresentation
bin110010011000111000…
…0101001100010001100
3101100022021100201100012
41210301300221202030
53233103002102040
6121413250452352
710550343325364
oct1446160514214
9340267321305
10108209019020
1141989196643
1218b7ab940b8
13a28644704b
1453473b79a4
152c34c71865
hex1931c2988c

108209019020 has 24 divisors (see below), whose sum is σ = 228743839968. Its totient is φ = 42996960000.

The previous prime is 108209018993. The next prime is 108209019041. The reversal of 108209019020 is 20910902801.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17912381 + ... + 17918420.

It is an arithmetic number, because the mean of its divisors is an integer number (9530993332).

Almost surely, 2108209019020 is an apocalyptic number.

108209019020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108209019020 is an abundant number, since it is smaller than the sum of its proper divisors (120534820948).

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

108209019020 is a wasteful number, since it uses less digits than its factorization.

108209019020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35830961 (or 35830959 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 32.

The spelling of 108209019020 in words is "one hundred eight billion, two hundred nine million, nineteen thousand, twenty".

Divisors: 1 2 4 5 10 20 151 302 604 755 1510 3020 35830801 71661602 143323204 179154005 358308010 716616020 5410450951 10820901902 21641803804 27052254755 54104509510 108209019020