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2280640442000 = 24534092788069
BaseRepresentation
bin100001001100000000110…
…000110110111010010000
322002000201202100102201112
4201030000300312322100
5244331222423121000
64503413423352452
7323525252621354
oct41140060667220
98060652312645
102280640442000
117aa23a089678
1230a005a52728
131370a95a39cb
147c5527bd464
153e4d0c7b235
hex21300c36e90

2280640442000 has 80 divisors (see below), whose sum is σ = 5528073673200. Its totient is φ = 910025395200.

The previous prime is 2280640441991. The next prime is 2280640442009. The reversal of 2280640442000 is 2440460822.

It is an interprime number because it is at equal distance from previous prime (2280640441991) and next prime (2280640442009).

It can be written as a sum of positive squares in 8 ways, for example, as 7927409296 + 2272713032704 = 89036^2 + 1507552^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2280640442009) 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, 576035 + ... + 2212034.

It is an arithmetic number, because the mean of its divisors is an integer number (69100920915).

Almost surely, 22280640442000 is an apocalyptic number.

2280640442000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2280640442000 is an abundant number, since it is smaller than the sum of its proper divisors (3247433231200).

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

2280640442000 is a wasteful number, since it uses less digits than its factorization.

2280640442000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788501 (or 2788485 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 32.

The spelling of 2280640442000 in words is "two trillion, two hundred eighty billion, six hundred forty million, four hundred forty-two thousand".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 125 200 250 400 409 500 818 1000 1636 2000 2045 3272 4090 6544 8180 10225 16360 20450 32720 40900 51125 81800 102250 163600 204500 409000 818000 2788069 5576138 11152276 13940345 22304552 27880690 44609104 55761380 69701725 111522760 139403450 223045520 278806900 348508625 557613800 697017250 1115227600 1140320221 1394034500 2280640442 2788069000 4561280884 5576138000 5701601105 9122561768 11403202210 18245123536 22806404420 28508005525 45612808840 57016011050 91225617680 114032022100 142540027625 228064044200 285080055250 456128088400 570160110500 1140320221000 2280640442000