Base | Representation |
---|---|
bin | 10000100100000101111000… |
… | …111001000010000001010000 |
3 | 100112221021220212112010010000 |
4 | 100210011320321002001100 |
5 | 34022024141420230411 |
6 | 414534204254210000 |
7 | 21226110231360600 |
oct | 2044057071020120 |
9 | 315837825463100 |
10 | 72848968523856 |
11 | 2123708a621428 |
12 | 82067501b3900 |
13 | 3185822379435 |
14 | 13dbca1dc8c00 |
15 | 864e7ed0c956 |
hex | 424178e42050 |
72848968523856 has 300 divisors, whose sum is σ = 253181833956480. Its totient is φ = 20142571397760.
The previous prime is 72848968523839. The next prime is 72848968523909. The reversal of 72848968523856 is 65832586984827.
72848968523856 is a `hidden beast` number, since 7 + 2 + 8 + 4 + 8 + 9 + 6 + 8 + 523 + 85 + 6 = 666.
It is a super-2 number, since 2×728489685238562 (a number of 29 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (81).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 16533886 + ... + 20471133.
Almost surely, 272848968523856 is an apocalyptic number.
It is an amenable number.
72848968523856 is an abundant number, since it is smaller than the sum of its proper divisors (180332865432624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72848968523856 is a wasteful number, since it uses less digits than its factorization.
72848968523856 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 37005084 (or 37005062 counting only the distinct ones).
The product of its digits is 11147673600, while the sum is 81.
The spelling of 72848968523856 in words is "seventy-two trillion, eight hundred forty-eight billion, nine hundred sixty-eight million, five hundred twenty-three thousand, eight hundred fifty-six".
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