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80438057611898 = 275745575543707
BaseRepresentation
bin10010010010100001110001…
…110110011011001001111010
3101112210210200112112101120012
4102102201301312123021322
541020344120222040043
6443024422235301522
722641313024310150
oct2222416166331172
9345723615471505
1080438057611898
11236a2652562658
1290315268aa8a2
1335b6378cca72c
1415c13193853d0
159475a2536a18
hex492871d9b27a

80438057611898 has 8 divisors (see below), whose sum is σ = 137893813048992. Its totient is φ = 34473453262236.

The previous prime is 80438057611841. The next prime is 80438057611909. The reversal of 80438057611898 is 89811675083408.

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

It is a super-2 number, since 2×804380576118982 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2872787771840 + ... + 2872787771867.

It is an arithmetic number, because the mean of its divisors is an integer number (17236726631124).

Almost surely, 280438057611898 is an apocalyptic number.

80438057611898 is a deficient number, since it is larger than the sum of its proper divisors (57455755437094).

80438057611898 is a wasteful number, since it uses less digits than its factorization.

80438057611898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5745575543716.

The product of its (nonzero) digits is 92897280, while the sum is 68.

The spelling of 80438057611898 in words is "eighty trillion, four hundred thirty-eight billion, fifty-seven million, six hundred eleven thousand, eight hundred ninety-eight".

Divisors: 1 2 7 14 5745575543707 11491151087414 40219028805949 80438057611898