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80109520191955 = 5109229146681779
BaseRepresentation
bin10010001101101111110011…
…011111101000000111010011
3101111122101200012102020002201
4102031233303133220013103
541000003244132120310
6442213445554224031
722605502406312452
oct2215576337500723
9344571605366081
1080109520191955
1123586290774381
128b99918285017
1335913abb26927
1415ad47015ab99
1593dc74855e3a
hex48dbf37e81d3

80109520191955 has 8 divisors (see below), whose sum is σ = 96132304976400. Its totient is φ = 64087028989536.

The previous prime is 80109520191929. The next prime is 80109520191991. The reversal of 80109520191955 is 55919102590108.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80109520191955 - 233 = 80100930257363 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80109520191896 and 80109520191905.

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, 72794745 + ... + 73887034.

It is an arithmetic number, because the mean of its divisors is an integer number (12016538122050).

Almost surely, 280109520191955 is an apocalyptic number.

80109520191955 is a deficient number, since it is larger than the sum of its proper divisors (16022784784445).

80109520191955 is a wasteful number, since it uses less digits than its factorization.

80109520191955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146791013.

The product of its (nonzero) digits is 1458000, while the sum is 55.

The spelling of 80109520191955 in words is "eighty trillion, one hundred nine billion, five hundred twenty million, one hundred ninety-one thousand, nine hundred fifty-five".

Divisors: 1 5 109229 546145 146681779 733408895 16021904038391 80109520191955