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50697529344 = 211387311
BaseRepresentation
bin101111001101110011…
…101110100000000000
311211212012100100000000
4233031303232200000
51312312031414334
635142400000000
73443221614000
oct571563564000
9154765310000
1050697529344
111a556485190
1299aa600000
134a1c425697
14264d224000
1514bac2a299
hexbcdcee800

50697529344 has 864 divisors, whose sum is σ = 193434696000. Its totient is φ = 13168189440.

The previous prime is 50697529303. The next prime is 50697529357. The reversal of 50697529344 is 44392579605.

50697529344 is a `hidden beast` number, since 50 + 69 + 7 + 529 + 3 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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 in 71 ways as a sum of consecutive naturals, for example, 4608866299 + ... + 4608866309.

It is an arithmetic number, because the mean of its divisors is an integer number (223882750).

Almost surely, 250697529344 is an apocalyptic number.

50697529344 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50697529344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96717348000).

50697529344 is an abundant number, since it is smaller than the sum of its proper divisors (142737166656).

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

50697529344 is an frugal number, since it uses more digits than its factorization.

50697529344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78 (or 23 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 54.

The spelling of 50697529344 in words is "fifty billion, six hundred ninety-seven million, five hundred twenty-nine thousand, three hundred forty-four".