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50006351641 = 2236212
BaseRepresentation
bin101110100100100111…
…000101111100011001
311210002000202212102211
4232210213011330121
51304403111223031
634550025355121
73420126655441
oct564447057431
9153060685384
1050006351641
111a231311144
129837038aa1
13493c184aac
1425c5505121
15147a1ebbb1
hexba49c5f19

50006351641 has 3 divisors (see below), whose sum is σ = 50006575263. Its totient is φ = 50006128020.

The previous prime is 50006351609. The next prime is 50006351651. The reversal of 50006351641 is 14615360005.

The square root of 50006351641 is 223621.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 43609551241 + 6396800400 = 208829^2 + 79980^2 .

It is not a de Polignac number, because 50006351641 - 25 = 50006351609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50006351651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 111811 + ... + 335431.

It is an arithmetic number, because the mean of its divisors is an integer number (16668858421).

Almost surely, 250006351641 is an apocalyptic number.

50006351641 is the 223621-st square number.

50006351641 is the 111811-st centered octagonal number.

It is an amenable number.

50006351641 is a deficient number, since it is larger than the sum of its proper divisors (223622).

50006351641 is an frugal number, since it uses more digits than its factorization.

50006351641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447242 (or 223621 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The spelling of 50006351641 in words is "fifty billion, six million, three hundred fifty-one thousand, six hundred forty-one".

Divisors: 1 223621 50006351641