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80017908918842 = 247839183632331
BaseRepresentation
bin10010001100011010011111…
…000010010110101000111010
3101111022122012122122100210102
4102030122133002112220322
540442003134140400332
6442103415254515402
722566050243324606
oct2214323702265072
9344278178570712
1080017908918842
112355044a581a14
128b8400b965b62
13358586c25270b
1415a8c5d272506
1593b6b1d00062
hex48c69f096a3a

80017908918842 has 8 divisors (see below), whose sum is σ = 120027115710432. Its totient is φ = 40008870348700.

The previous prime is 80017908918841. The next prime is 80017908918859. The reversal of 80017908918842 is 24881980971008.

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

It is not an unprimeable number, because it can be changed into a prime (80017908918841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40859384 + ... + 42772947.

It is an arithmetic number, because the mean of its divisors is an integer number (15003389463804).

Almost surely, 280017908918842 is an apocalyptic number.

80017908918842 is a deficient number, since it is larger than the sum of its proper divisors (40009206791590).

80017908918842 is a wasteful number, since it uses less digits than its factorization.

80017908918842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84110724.

The product of its (nonzero) digits is 18579456, while the sum is 65.

The spelling of 80017908918842 in words is "eighty trillion, seventeen billion, nine hundred eight million, nine hundred eighteen thousand, eight hundred forty-two".

Divisors: 1 2 478391 956782 83632331 167264662 40008954459421 80017908918842