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4287280318741 = 7287495516709
BaseRepresentation
bin111110011000110101110…
…100100000100100010101
3120011212012221021222020101
4332120311310200210111
51030220322230144431
613041314400134101
7621513542266600
oct76306564404425
916155187258211
104287280318741
111403252a750a2
12592aa1607331
1325139a652114
1410b711045337
15767c6b39961
hex3e635d20915

4287280318741 has 6 divisors (see below), whose sum is σ = 4987244452470. Its totient is φ = 3674811701736.

The previous prime is 4287280318703. The next prime is 4287280318757. The reversal of 4287280318741 is 1478130827824.

It can be written as a sum of positive squares in only one way, i.e., 3014230711716 + 1273049607025 = 1736154^2 + 1128295^2 .

It is not a de Polignac number, because 4287280318741 - 27 = 4287280318613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4287280315741) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 43747758306 + ... + 43747758403.

It is an arithmetic number, because the mean of its divisors is an integer number (831207408745).

Almost surely, 24287280318741 is an apocalyptic number.

It is an amenable number.

4287280318741 is a deficient number, since it is larger than the sum of its proper divisors (699964133729).

4287280318741 is an equidigital number, since it uses as much as digits as its factorization.

4287280318741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87495516723 (or 87495516716 counting only the distinct ones).

The product of its (nonzero) digits is 4816896, while the sum is 55.

The spelling of 4287280318741 in words is "four trillion, two hundred eighty-seven billion, two hundred eighty million, three hundred eighteen thousand, seven hundred forty-one".

Divisors: 1 7 49 87495516709 612468616963 4287280318741