Base | Representation |
---|---|
bin | 100001010001011100… |
… | …1100011000101000100 |
3 | 20211102122102122100210 |
4 | 1002202321203011010 |
5 | 2132313313042440 |
6 | 52454054235420 |
7 | 5106441662535 |
oct | 1024271430504 |
9 | 224378378323 |
10 | 71452471620 |
11 | 2833706a542 |
12 | 11a21355b70 |
13 | 697933850a |
14 | 365b8a668c |
15 | 1cd2dbca80 |
hex | 10a2e63144 |
71452471620 has 24 divisors (see below), whose sum is σ = 200066920704. Its totient is φ = 19053992416.
The previous prime is 71452471603. The next prime is 71452471621. The reversal of 71452471620 is 2617425417.
It is not an unprimeable number, because it can be changed into a prime (71452471621) 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, 595437204 + ... + 595437323.
It is an arithmetic number, because the mean of its divisors is an integer number (8336121696).
Almost surely, 271452471620 is an apocalyptic number.
It is an amenable number.
71452471620 is an abundant number, since it is smaller than the sum of its proper divisors (128614449084).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
71452471620 is a wasteful number, since it uses less digits than its factorization.
71452471620 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1190874539 (or 1190874537 counting only the distinct ones).
The product of its (nonzero) digits is 94080, while the sum is 39.
The spelling of 71452471620 in words is "seventy-one billion, four hundred fifty-two million, four hundred seventy-one thousand, six hundred twenty".
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