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50217712020 = 223357173721121
BaseRepresentation
bin101110110001001101…
…010111100110010100
311210121202111002101000
4232301031113212110
51310321213241040
635023015503300
73425304336450
oct566115274624
9153552432330
1050217712020
111a32a653343
129895987b30
134973bb8bc8
142605603660
15148da4c130
hexbb1357994

50217712020 has 384 divisors, whose sum is σ = 194173701120. Its totient is φ = 10510663680.

The previous prime is 50217712001. The next prime is 50217712031. The reversal of 50217712020 is 2021771205.

50217712020 is a `hidden beast` number, since 502 + 17 + 7 + 120 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 2367060 + ... + 2388180.

It is an arithmetic number, because the mean of its divisors is an integer number (505660680).

Almost surely, 250217712020 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 50217712020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97086850560).

50217712020 is an abundant number, since it is smaller than the sum of its proper divisors (143955989100).

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

50217712020 is a wasteful number, since it uses less digits than its factorization.

50217712020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21200 (or 21192 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 27.

The spelling of 50217712020 in words is "fifty billion, two hundred seventeen million, seven hundred twelve thousand, twenty".