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50872319424 = 26321937731721
BaseRepresentation
bin101111011000001110…
…011111110111000000
311212022101020120220200
4233120032133313000
51313141303210144
635212002205200
73450443403033
oct573016376700
9155271216820
1050872319424
111a6361095a3
129a39053800
134a496c4074
14266852301a
1514cb254c69
hexbd839fdc0

50872319424 has 336 divisors, whose sum is σ = 159891557280. Its totient is φ = 15407677440.

The previous prime is 50872319423. The next prime is 50872319429. The reversal of 50872319424 is 42491327805.

50872319424 is a `hidden beast` number, since 508 + 7 + 2 + 31 + 94 + 24 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 50872319424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50872319423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29558884 + ... + 29560604.

It is an arithmetic number, because the mean of its divisors is an integer number (475867730).

Almost surely, 250872319424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50872319424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79945778640).

50872319424 is an abundant number, since it is smaller than the sum of its proper divisors (109019237856).

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

50872319424 is a wasteful number, since it uses less digits than its factorization.

50872319424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1868 (or 1855 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The spelling of 50872319424 in words is "fifty billion, eight hundred seventy-two million, three hundred nineteen thousand, four hundred twenty-four".