Base | Representation |
---|---|
bin | 100001111111100100… |
… | …0111001101001000100 |
3 | 20222102111101020022020 |
4 | 1003333020321221010 |
5 | 2144001000000233 |
6 | 53311415203140 |
7 | 5163002522352 |
oct | 1037710715104 |
9 | 228374336266 |
10 | 73000000068 |
11 | 28a60662576 |
12 | 121936764b0 |
13 | 6b64b2bc18 |
14 | 376721c7d2 |
15 | 1d73ba49b3 |
hex | 10ff239a44 |
73000000068 has 24 divisors (see below), whose sum is σ = 170414004768. Its totient is φ = 24321808896.
The previous prime is 73000000061. The next prime is 73000000069. The reversal of 73000000068 is 86000000037.
It is a junction number, because it is equal to n+sod(n) for n = 72999999984 and 73000000047.
It is not an unprimeable number, because it can be changed into a prime (73000000061) 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, 1414146 + ... + 1464857.
It is an arithmetic number, because the mean of its divisors is an integer number (7100583532).
Almost surely, 273000000068 is an apocalyptic number.
It is an amenable number.
73000000068 is an abundant number, since it is smaller than the sum of its proper divisors (97414004700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
73000000068 is a wasteful number, since it uses less digits than its factorization.
73000000068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2881123 (or 2881121 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 24.
The spelling of 73000000068 in words is "seventy-three billion, sixty-eight", and thus it is an aban number and an uban number.
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