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50718513337 = 1729102877309
BaseRepresentation
bin101111001111000011…
…110001100010111001
311211220122211102121221
4233033003301202321
51312332414411322
635144425432041
73443565151552
oct571703614271
9154818742557
1050718513337
111a567307828
1299b563b621
134a2389194b
142651d27329
1514bc9c29c7
hexbcf0f18b9

50718513337 has 8 divisors (see below), whose sum is σ = 55553747400. Its totient is φ = 46089033984.

The previous prime is 50718513317. The next prime is 50718513403. The reversal of 50718513337 is 73331581705.

It can be written as a sum of positive squares in 4 ways, for example, as 19453554576 + 31264958761 = 139476^2 + 176819^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-50718513337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50718513293 and 50718513302.

It is not an unprimeable number, because it can be changed into a prime (50718513317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51438162 + ... + 51439147.

It is an arithmetic number, because the mean of its divisors is an integer number (6944218425).

Almost surely, 250718513337 is an apocalyptic number.

It is an amenable number.

50718513337 is a deficient number, since it is larger than the sum of its proper divisors (4835234063).

50718513337 is a wasteful number, since it uses less digits than its factorization.

50718513337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102877355.

The product of its (nonzero) digits is 264600, while the sum is 43.

The spelling of 50718513337 in words is "fifty billion, seven hundred eighteen million, five hundred thirteen thousand, three hundred thirty-seven".

Divisors: 1 17 29 493 102877309 1748914253 2983441961 50718513337