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80378030586 = 23723585114221
BaseRepresentation
bin100101011011011100…
…1110110100111111010
321200110200110000110210
41022312321312213322
52304103233434321
6100531500051550
75543561662410
oct1126671664772
9250420400423
1080378030586
11310a7337057
12136b2533bb6
13776c553759
143c670612b0
152156792b76
hex12b6e769fa

80378030586 has 64 divisors (see below), whose sum is σ = 191755339776. Its totient is φ = 21961368000.

The previous prime is 80378030573. The next prime is 80378030591. The reversal of 80378030586 is 68503087308.

It is a happy number.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 5644956 + ... + 5659176.

It is an arithmetic number, because the mean of its divisors is an integer number (2996177184).

Almost surely, 280378030586 is an apocalyptic number.

80378030586 is an abundant number, since it is smaller than the sum of its proper divisors (111377309190).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80378030586 is a wasteful number, since it uses less digits than its factorization.

80378030586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20107.

The product of its (nonzero) digits is 967680, while the sum is 48.

The spelling of 80378030586 in words is "eighty billion, three hundred seventy-eight million, thirty thousand, five hundred eighty-six".

Divisors: 1 2 3 6 7 14 21 23 42 46 69 138 161 322 483 966 5851 11702 14221 17553 28442 35106 40957 42663 81914 85326 99547 122871 134573 199094 245742 269146 298641 327083 403719 597282 654166 807438 942011 981249 1884022 1962498 2289581 2826033 4579162 5652066 6868743 13737486 83207071 166414142 249621213 499242426 582449497 1164898994 1747348491 1913762633 3494696982 3827525266 5741287899 11482575798 13396338431 26792676862 40189015293 80378030586