Base | Representation |
---|---|
bin | 1000100101000100101… |
… | …1100101111100100000 |
3 | 112002102220221120020120 |
4 | 2021101023211330200 |
5 | 4403324031202233 |
6 | 151413242040240 |
7 | 13435324551660 |
oct | 2112113457440 |
9 | 462386846216 |
10 | 147390881568 |
11 | 57565345927 |
12 | 24694aa9080 |
13 | 10b8bb65cb8 |
14 | 71c30581a0 |
15 | 3c799ec4b3 |
hex | 22512e5f20 |
147390881568 has 384 divisors, whose sum is σ = 467853926400. Its totient is φ = 39742230528.
The previous prime is 147390881567. The next prime is 147390881581. The reversal of 147390881568 is 865188093741.
It is not an unprimeable number, because it can be changed into a prime (147390881567) by changing a digit.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 204993913 + ... + 204994631.
It is an arithmetic number, because the mean of its divisors is an integer number (1218369600).
Almost surely, 2147390881568 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 147390881568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233926963200).
147390881568 is an abundant number, since it is smaller than the sum of its proper divisors (320463044832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
147390881568 is a wasteful number, since it uses less digits than its factorization.
147390881568 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 992 (or 984 counting only the distinct ones).
The product of its (nonzero) digits is 11612160, while the sum is 60.
The spelling of 147390881568 in words is "one hundred forty-seven billion, three hundred ninety million, eight hundred eighty-one thousand, five hundred sixty-eight".
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