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49968166080 = 26357231132861
BaseRepresentation
bin101110100010010101…
…011011010011000000
311202222100220211200210
4232202111123103000
51304313322303310
634542143114120
73416154255330
oct564225332300
9152870824623
1049968166080
111a2117aa828
1298262a2940
1349342a50a1
1425c04050c0
151476ba7820
hexba255b4c0

49968166080 has 448 divisors, whose sum is σ = 190937253888. Its totient is φ = 10824253440.

The previous prime is 49968166021. The next prime is 49968166097. The reversal of 49968166080 is 8066186994.

It is a tau number, because it is divible by the number of its divisors (448).

It is a self number, because there is not a number n which added to its sum of digits gives 49968166080.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17463850 + ... + 17466710.

Almost surely, 249968166080 is an apocalyptic number.

49968166080 is a gapful number since it is divisible by the number (40) 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 49968166080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95468626944).

49968166080 is an abundant number, since it is smaller than the sum of its proper divisors (140969087808).

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

49968166080 is a wasteful number, since it uses less digits than its factorization.

49968166080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3024 (or 3014 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 57.

The spelling of 49968166080 in words is "forty-nine billion, nine hundred sixty-eight million, one hundred sixty-six thousand, eighty".