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2280486220420 = 225172394547789
BaseRepresentation
bin100001001011110111100…
…100100011001010000100
322002000100000011011111011
4201023313210203022010
5244330413433023140
64503350234052004
7323521401016642
oct41136744431204
98060300134434
102280486220420
117aa170023721
12309b8227a004
13137083657435
147c53a116192
153e4c2465cea
hex212f7923284

2280486220420 has 36 divisors (see below), whose sum is σ = 5087299204260. Its totient is φ = 858535986688.

The previous prime is 2280486220391. The next prime is 2280486220513. The reversal of 2280486220420 is 240226840822.

It can be written as a sum of positive squares in 6 ways, for example, as 176077587456 + 2104408632964 = 419616^2 + 1450658^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 197268115 + ... + 197279674.

It is an arithmetic number, because the mean of its divisors is an integer number (141313866785).

Almost surely, 22280486220420 is an apocalyptic number.

2280486220420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2280486220420 is an abundant number, since it is smaller than the sum of its proper divisors (2806812983840).

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

2280486220420 is a wasteful number, since it uses less digits than its factorization.

2280486220420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394547832 (or 394547813 counting only the distinct ones).

The product of its (nonzero) digits is 196608, while the sum is 40.

The spelling of 2280486220420 in words is "two trillion, two hundred eighty billion, four hundred eighty-six million, two hundred twenty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 17 20 34 68 85 170 289 340 578 1156 1445 2890 5780 394547789 789095578 1578191156 1972738945 3945477890 6707312413 7890955780 13414624826 26829249652 33536562065 67073124130 114024311021 134146248260 228048622042 456097244084 570121555105 1140243110210 2280486220420