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47052776664 = 23331721734357
BaseRepresentation
bin101011110100100100…
…000110010011011000
311111110012002201021000
4223310210012103120
51232331002323124
633341000145000
73254004000615
oct536444062330
9144405081230
1047052776664
1118a5607a593
129151a68160
13458b2a66aa
1423c514550c
151355c786c9
hexaf49064d8

47052776664 has 192 divisors, whose sum is σ = 139677386400. Its totient is φ = 14672959488.

The previous prime is 47052776663. The next prime is 47052776669. The reversal of 47052776664 is 46667725074.

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

It is a self number, because there is not a number n which added to its sum of digits gives 47052776664.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47052776663) 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, 10797174 + ... + 10801530.

Almost surely, 247052776664 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 47052776664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69838693200).

47052776664 is an abundant number, since it is smaller than the sum of its proper divisors (92624609736).

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

47052776664 is a wasteful number, since it uses less digits than its factorization.

47052776664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4579 (or 4552 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 54.

The spelling of 47052776664 in words is "forty-seven billion, fifty-two million, seven hundred seventy-six thousand, six hundred sixty-four".