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83280280280080 = 24513194214589083
BaseRepresentation
bin10010111011111000110011…
…100001011101110000010000
3101220212111221220220202120011
4102323320303201131300100
541403431003222430310
6453042233235124304
723353541660341222
oct2273706341356020
9356774856822504
1083280280280080
1124598a72118724
129410339443694
1337613b1bcb0a0
14167cb03a26412
159964a04d678a
hex4bbe3385dc10

83280280280080 has 80 divisors (see below), whose sum is σ = 219495799494720. Its totient is φ = 29131239734784.

The previous prime is 83280280280051. The next prime is 83280280280123. The reversal of 83280280280080 is 8008208208238.

It is a tau number, because it is divible by the number of its divisors (80).

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 15 ways as a sum of consecutive naturals, for example, 2107274782 + ... + 2107314301.

It is an arithmetic number, because the mean of its divisors is an integer number (2743697493684).

Almost surely, 283280280280080 is an apocalyptic number.

83280280280080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

83280280280080 is an abundant number, since it is smaller than the sum of its proper divisors (136215519214640).

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

83280280280080 is a wasteful number, since it uses less digits than its factorization.

83280280280080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4214589128 (or 4214589122 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 49.

The spelling of 83280280280080 in words is "eighty-three trillion, two hundred eighty billion, two hundred eighty million, two hundred eighty thousand, eighty".

Divisors: 1 2 4 5 8 10 13 16 19 20 26 38 40 52 65 76 80 95 104 130 152 190 208 247 260 304 380 494 520 760 988 1040 1235 1520 1976 2470 3952 4940 9880 19760 4214589083 8429178166 16858356332 21072945415 33716712664 42145890830 54789658079 67433425328 80077192577 84291781660 109579316158 160154385154 168583563320 219158632316 273948290395 320308770308 337167126640 400385962885 438317264632 547896580790 640617540616 800771925770 876634529264 1041003503501 1095793161580 1281235081232 1601543851540 2082007007002 2191586323160 3203087703080 4164014014004 4383172646320 5205017517505 6406175406160 8328028028008 10410035035010 16656056056016 20820070070020 41640140140040 83280280280080