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80804662206686 = 21138032367140801
BaseRepresentation
bin10010010111110111001101…
…001011111110000011011110
3101121002211221211202101212022
4102113313031023332003132
541042400422011103221
6443505052132140142
723006641600042565
oct2227671513760336
9347084854671768
1080804662206686
1123824079273810
129090599a67652
133611b01999372
1415d4d761aabdc
15951dac1aa4ab
hex497dcd2fe0de

80804662206686 has 32 divisors (see below), whose sum is σ = 132269408891136. Its totient is φ = 36717282720000.

The previous prime is 80804662206683. The next prime is 80804662206721. The reversal of 80804662206686 is 68660226640808.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80804662206683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1980437486 + ... + 1980478286.

It is an arithmetic number, because the mean of its divisors is an integer number (4133419027848).

Almost surely, 280804662206686 is an apocalyptic number.

80804662206686 is a deficient number, since it is larger than the sum of its proper divisors (51464746684450).

80804662206686 is a wasteful number, since it uses less digits than its factorization.

80804662206686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68288.

The product of its (nonzero) digits is 63700992, while the sum is 62.

The spelling of 80804662206686 in words is "eighty trillion, eight hundred four billion, six hundred sixty-two million, two hundred six thousand, six hundred eighty-six".

Divisors: 1 2 11 22 3803 7606 23671 40801 41833 47342 81602 83666 260381 448811 520762 897622 90020813 155166203 180041626 310332406 965800471 990228943 1706828233 1931600942 1980457886 3413656466 10623805181 21247610362 3672939191213 7345878382426 40402331103343 80804662206686