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47388447036 = 22347217712473
BaseRepresentation
bin101100001000100100…
…100101000100111100
311112022120201112110000
4230020210211010330
51234022420301121
633434150514300
73265221103500
oct541044450474
9145276645400
1047388447036
11191085a7717
129226365990
1346129b3408
142417962300
151375481526
hexb0892513c

47388447036 has 360 divisors, whose sum is σ = 154797150816. Its totient is φ = 12558551040.

The previous prime is 47388447023. The next prime is 47388447059. The reversal of 47388447036 is 63074488374.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 19161096 + ... + 19163568.

Almost surely, 247388447036 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 47388447036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77398575408).

47388447036 is an abundant number, since it is smaller than the sum of its proper divisors (107408703780).

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

47388447036 is a wasteful number, since it uses less digits than its factorization.

47388447036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2591 (or 2573 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 54.

The spelling of 47388447036 in words is "forty-seven billion, three hundred eighty-eight million, four hundred forty-seven thousand, thirty-six".