Base | Representation |
---|---|
bin | 101100100101010111… |
… | …001111010000000000 |
3 | 11120120020122121111000 |
4 | 230211113033100000 |
5 | 1241020100122044 |
6 | 33554124052000 |
7 | 3313204641252 |
oct | 544527172000 |
9 | 146506577430 |
10 | 47871489024 |
11 | 19336231277 |
12 | 9340094000 |
13 | 468baab888 |
14 | 2461b81cd2 |
15 | 13a2a99d69 |
hex | b255cf400 |
47871489024 has 352 divisors, whose sum is σ = 149883632640. Its totient is φ = 15062851584.
The previous prime is 47871489019. The next prime is 47871489091. The reversal of 47871489024 is 42098417874.
47871489024 is a `hidden beast` number, since 4 + 78 + 71 + 489 + 0 + 24 = 666.
It is a super-2 number, since 2×478714890242 (a number of 22 digits) contains 22 as substring.
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 31 ways as a sum of consecutive naturals, for example, 52779579 + ... + 52780485.
Almost surely, 247871489024 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 47871489024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74941816320).
47871489024 is an abundant number, since it is smaller than the sum of its proper divisors (102012143616).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47871489024 is a wasteful number, since it uses less digits than its factorization.
47871489024 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1042 (or 1018 counting only the distinct ones).
The product of its (nonzero) digits is 3612672, while the sum is 54.
The spelling of 47871489024 in words is "forty-seven billion, eight hundred seventy-one million, four hundred eighty-nine thousand, twenty-four".
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