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50997796580 = 2252549889829
BaseRepresentation
bin101111011111101101…
…001001111011100100
311212122010100111012202
4233133231021323210
51313420413442310
635232243434032
73453526055453
oct573755117344
9155563314182
1050997796580
111a69aa21425
129a73085918
134a696b7cc3
14267b066b9a
1514d728d3a5
hexbdfb49ee4

50997796580 has 12 divisors (see below), whose sum is σ = 107095372860. Its totient is φ = 20399118624.

The previous prime is 50997796573. The next prime is 50997796589. The reversal of 50997796580 is 8569779905.

It can be written as a sum of positive squares in 2 ways, for example, as 29342319616 + 21655476964 = 171296^2 + 147158^2 .

It is not an unprimeable number, because it can be changed into a prime (50997796589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1274944895 + ... + 1274944934.

It is an arithmetic number, because the mean of its divisors is an integer number (8924614405).

Almost surely, 250997796580 is an apocalyptic number.

It is an amenable number.

50997796580 is an abundant number, since it is smaller than the sum of its proper divisors (56097576280).

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

50997796580 is a wasteful number, since it uses less digits than its factorization.

50997796580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549889838 (or 2549889836 counting only the distinct ones).

The product of its (nonzero) digits is 42865200, while the sum is 65.

The spelling of 50997796580 in words is "fifty billion, nine hundred ninety-seven million, seven hundred ninety-six thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 2549889829 5099779658 10199559316 12749449145 25498898290 50997796580