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2087440331848 = 23260930041481
BaseRepresentation
bin11110011000000101001…
…000111011010001001000
321101120001022020221111021
4132120011020323101020
5233200034211104343
64234542402442224
7303545501030164
oct36300510732110
97346038227437
102087440331848
11735307714353
12298687663374
13121ac9c952c1
1473065847ca4
15394747940ed
hex1e60523b448

2087440331848 has 8 divisors (see below), whose sum is σ = 3913950622230. Its totient is φ = 1043720165920.

The previous prime is 2087440331819. The next prime is 2087440331861. The reversal of 2087440331848 is 8481330447802.

It can be written as a sum of positive squares in only one way, i.e., 1555413054244 + 532027277604 = 1247162^2 + 729402^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 2087440331795 and 2087440331804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130465020733 + ... + 130465020748.

Almost surely, 22087440331848 is an apocalyptic number.

It is an amenable number.

2087440331848 is a deficient number, since it is larger than the sum of its proper divisors (1826510290382).

2087440331848 is a wasteful number, since it uses less digits than its factorization.

2087440331848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260930041487 (or 260930041483 counting only the distinct ones).

The product of its (nonzero) digits is 4128768, while the sum is 52.

The spelling of 2087440331848 in words is "two trillion, eighty-seven billion, four hundred forty million, three hundred thirty-one thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 260930041481 521860082962 1043720165924 2087440331848