Base | Representation |
---|---|
bin | 100001001110000110… |
… | …1000100010110110100 |
3 | 20211010211002000112012 |
4 | 1002130031010112310 |
5 | 2132101034220043 |
6 | 52435002543352 |
7 | 5103606153053 |
oct | 1023415042664 |
9 | 224124060465 |
10 | 71340148148 |
11 | 28289721225 |
12 | 119ab807b58 |
13 | 695bc9b719 |
14 | 364a9c839a |
15 | 1cc80d1a18 |
hex | 109c3445b4 |
71340148148 has 24 divisors (see below), whose sum is σ = 126393396360. Its totient is φ = 35229841920.
The previous prime is 71340148147. The next prime is 71340148153. The reversal of 71340148148 is 84184104317.
It can be written as a sum of positive squares in 4 ways, for example, as 5482217764 + 65857930384 = 74042^2 + 256628^2 .
71340148148 is a modest number, since divided by 148148 gives 71340 as remainder.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (71340148147) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124913 + ... + 397848.
It is an arithmetic number, because the mean of its divisors is an integer number (5266391515).
Almost surely, 271340148148 is an apocalyptic number.
It is an amenable number.
71340148148 is a deficient number, since it is larger than the sum of its proper divisors (55053248212).
71340148148 is a wasteful number, since it uses less digits than its factorization.
71340148148 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 523187 (or 523185 counting only the distinct ones).
The product of its (nonzero) digits is 86016, while the sum is 41.
The spelling of 71340148148 in words is "seventy-one billion, three hundred forty million, one hundred forty-eight thousand, one hundred forty-eight".
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