Base | Representation |
---|---|
bin | 100001100011000101… |
… | …1100001000011010100 |
3 | 20212221220012221010212 |
4 | 1003012023201003110 |
5 | 2140021330300333 |
6 | 53032521104552 |
7 | 5130220110140 |
oct | 1030613410324 |
9 | 225856187125 |
10 | 72044384468 |
11 | 286101a4411 |
12 | 11b67628158 |
13 | 6a41b620c4 |
14 | 36b6346220 |
15 | 1d19d3e448 |
hex | 10c62e10d4 |
72044384468 has 24 divisors (see below), whose sum is σ = 147154490112. Its totient is φ = 30219224544.
The previous prime is 72044384441. The next prime is 72044384497. The reversal of 72044384468 is 86448344027.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27371171 + ... + 27373802.
It is an arithmetic number, because the mean of its divisors is an integer number (6131437088).
Almost surely, 272044384468 is an apocalyptic number.
It is an amenable number.
72044384468 is an abundant number, since it is smaller than the sum of its proper divisors (75110105644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72044384468 is a wasteful number, since it uses less digits than its factorization.
72044384468 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54745031 (or 54745029 counting only the distinct ones).
The product of its (nonzero) digits is 4128768, while the sum is 50.
The spelling of 72044384468 in words is "seventy-two billion, forty-four million, three hundred eighty-four thousand, four hundred sixty-eight".
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