Base | Representation |
---|---|
bin | 100010010100000101… |
… | …0000101000100010100 |
3 | 21001012110022010122210 |
4 | 1010220022011010110 |
5 | 2201403133043433 |
6 | 53504001153420 |
7 | 5216030103030 |
oct | 1045012050424 |
9 | 231173263583 |
10 | 73688174868 |
11 | 29284065480 |
12 | 1234602b870 |
13 | 6c4458aa49 |
14 | 37d07991c0 |
15 | 1db42dd463 |
hex | 1128285114 |
73688174868 has 48 divisors (see below), whose sum is σ = 214365602304. Its totient is φ = 19139785440.
The previous prime is 73688174849. The next prime is 73688174873. The reversal of 73688174868 is 86847188637.
It is a Harshad number since it is a multiple of its sum of digits (66).
It is a junction number, because it is equal to n+sod(n) for n = 73688174799 and 73688174808.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39873630 + ... + 39875477.
It is an arithmetic number, because the mean of its divisors is an integer number (4465950048).
Almost surely, 273688174868 is an apocalyptic number.
It is an amenable number.
73688174868 is an abundant number, since it is smaller than the sum of its proper divisors (140677427436).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
73688174868 is a wasteful number, since it uses less digits than its factorization.
73688174868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79749132 (or 79749130 counting only the distinct ones).
The product of its digits is 86704128, while the sum is 66.
The spelling of 73688174868 in words is "seventy-three billion, six hundred eighty-eight million, one hundred seventy-four thousand, eight hundred sixty-eight".
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