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50561056104 = 2331319127239281
BaseRepresentation
bin101111000101101011…
…000111110101101000
311211111200112202220120
4233011223013311220
51312022112243404
635121042523240
73436643612556
oct570553076550
9154450482816
1050561056104
111a496441889
129970966520
1349ca0816a0
14263905abd6
1514adc6d9d9
hexbc5ac7d68

50561056104 has 256 divisors, whose sum is σ = 145539072000. Its totient is φ = 14509393920.

The previous prime is 50561056093. The next prime is 50561056109. The reversal of 50561056104 is 40165016505.

It is not an unprimeable number, because it can be changed into a prime (50561056109) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 179932444 + ... + 179932724.

It is an arithmetic number, because the mean of its divisors is an integer number (568512000).

Almost surely, 250561056104 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 50561056104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72769536000).

50561056104 is an abundant number, since it is smaller than the sum of its proper divisors (94978015896).

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

50561056104 is a wasteful number, since it uses less digits than its factorization.

50561056104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688 (or 684 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The spelling of 50561056104 in words is "fifty billion, five hundred sixty-one million, fifty-six thousand, one hundred four".