Base | Representation |
---|---|
bin | 110010010001111100… |
… | …110100100101000000 |
3 | 12011100112102011012000 |
4 | 302101330310211000 |
5 | 1341031442412442 |
6 | 40445111304000 |
7 | 3620610351366 |
oct | 622174644500 |
9 | 164315364160 |
10 | 53988247872 |
11 | 20994a5a779 |
12 | a56867b000 |
13 | 5125108200 |
14 | 28822a5636 |
15 | 160ea97d4c |
hex | c91f34940 |
53988247872 has 336 divisors, whose sum is σ = 172913040000. Its totient is φ = 16510500864.
The previous prime is 53988247837. The next prime is 53988247877. The reversal of 53988247872 is 27874288935.
53988247872 is a `hidden beast` number, since 5 + 3 + 98 + 8 + 2 + 478 + 72 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53988247877) 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, 58113904 + ... + 58114832.
Almost surely, 253988247872 is an apocalyptic number.
53988247872 is a gapful number since it is divisible by the number (52) 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 53988247872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86456520000).
53988247872 is an abundant number, since it is smaller than the sum of its proper divisors (118924792128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53988247872 is a wasteful number, since it uses less digits than its factorization.
53988247872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1175 (or 1146 counting only the distinct ones).
The product of its digits is 54190080, while the sum is 63.
The spelling of 53988247872 in words is "fifty-three billion, nine hundred eighty-eight million, two hundred forty-seven thousand, eight hundred seventy-two".
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