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80589060533881 = 47240924672
BaseRepresentation
bin10010010100101110011010…
…010100110110111001111001
3101120100020110012011121202101
4102110232122110312321321
541030332343444041011
6443222034152103401
722655240022052204
oct2224563224667171
9346306405147671
1080589060533881
11237506a079a949
129056849394b61
1335c769229b043
1415c876200493b
1594b48e1c32c1
hex494b9a536e79

80589060533881 has 27 divisors (see below), whose sum is σ = 82719144538959. Its totient is φ = 78513069746208.

The previous prime is 80589060533873. The next prime is 80589060533897. The reversal of 80589060533881 is 18833506098508.

The square root of 80589060533881 is 8977141.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 73651736679481 + 6937323854400 = 8582059^2 + 2633880^2 .

It is not a de Polignac number, because 80589060533881 - 23 = 80589060533873 is a prime.

It is a super-2 number, since 2×805890605338812 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80589060533851) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 172567581210 + ... + 172567581676.

Almost surely, 280589060533881 is an apocalyptic number.

80589060533881 is the 8977141-st square number.

80589060533881 is the 4488571-st centered octagonal number.

It is an amenable number.

80589060533881 is a deficient number, since it is larger than the sum of its proper divisors (2130084005078).

80589060533881 is an frugal number, since it uses more digits than its factorization.

80589060533881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1846 (or 923 counting only the distinct ones).

The product of its (nonzero) digits is 49766400, while the sum is 64.

The spelling of 80589060533881 in words is "eighty trillion, five hundred eighty-nine billion, sixty million, five hundred thirty-three thousand, eight hundred eighty-one".

Divisors: 1 47 409 467 2209 19223 21949 167281 191003 218089 903481 1031603 7862207 8977141 10250183 78120227 89198401 369523729 421925627 481758601 3671650669 4192324847 36482146009 172567581443 197039267809 1714660862423 80589060533881