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80423527045 = 5101159254509
BaseRepresentation
bin100101011100110011…
…1011010001010000101
321200120212001110212211
41022321213122022011
52304201410331140
6100540203143421
75544653462221
oct1127147321205
9250525043784
1080423527045
113111aa91234
1213705814b71
137778ac3034
143c6d105781
15215a77d2ea
hex12b99da285

80423527045 has 8 divisors (see below), whose sum is σ = 97463760120. Its totient is φ = 63701803200.

The previous prime is 80423527033. The next prime is 80423527091. The reversal of 80423527045 is 54072532408.

It can be written as a sum of positive squares in 4 ways, for example, as 24069040164 + 56354486881 = 155142^2 + 237391^2 .

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

It is not a de Polignac number, because 80423527045 - 229 = 79886656133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80423526989 and 80423527007.

It is a congruent 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, 79626750 + ... + 79627759.

It is an arithmetic number, because the mean of its divisors is an integer number (12182970015).

Almost surely, 280423527045 is an apocalyptic number.

It is an amenable number.

80423527045 is a deficient number, since it is larger than the sum of its proper divisors (17040233075).

80423527045 is a wasteful number, since it uses less digits than its factorization.

80423527045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159254615.

The product of its (nonzero) digits is 268800, while the sum is 40.

The spelling of 80423527045 in words is "eighty billion, four hundred twenty-three million, five hundred twenty-seven thousand, forty-five".

Divisors: 1 5 101 505 159254509 796272545 16084705409 80423527045