Base | Representation |
---|---|
bin | 100001011101010110… |
… | …1111010110101100011 |
3 | 20212110111100200001100 |
4 | 1002322231322311203 |
5 | 2134123112421022 |
6 | 53001451205443 |
7 | 5122363400160 |
oct | 1027255726543 |
9 | 225414320040 |
10 | 71852076387 |
11 | 28521695513 |
12 | 11b13146883 |
13 | 6a1106bc40 |
14 | 36989a7067 |
15 | 1d080041ac |
hex | 10bab7ad63 |
71852076387 has 96 divisors (see below), whose sum is σ = 130520219648. Its totient is φ = 37082562048.
The previous prime is 71852076341. The next prime is 71852076391. The reversal of 71852076387 is 78367025817.
71852076387 is a `hidden beast` number, since 7 + 18 + 520 + 76 + 38 + 7 = 666.
It is not a de Polignac number, because 71852076387 - 226 = 71784967523 is a prime.
It is a super-2 number, since 2×718520763872 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (71852076587) by changing a digit.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7588218 + ... + 7597680.
Almost surely, 271852076387 is an apocalyptic number.
71852076387 is a deficient number, since it is larger than the sum of its proper divisors (58668143261).
71852076387 is a wasteful number, since it uses less digits than its factorization.
71852076387 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9689 (or 9686 counting only the distinct ones).
The product of its (nonzero) digits is 3951360, while the sum is 54.
The spelling of 71852076387 in words is "seventy-one billion, eight hundred fifty-two million, seventy-six thousand, three hundred eighty-seven".
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