Base | Representation |
---|---|
bin | 100001110110000111… |
… | …1011000000101110000 |
3 | 20221121101202102200112 |
4 | 1003230033120011300 |
5 | 2142323312234134 |
6 | 53220131240452 |
7 | 5152102500410 |
oct | 1035417300560 |
9 | 227541672615 |
10 | 72682930544 |
11 | 2890868a544 |
12 | 12105449128 |
13 | 6b14235813 |
14 | 3737084640 |
15 | 1d55e231ce |
hex | 10ec3d8170 |
72682930544 has 80 divisors (see below), whose sum is σ = 164083926528. Its totient is φ = 30542244096.
The previous prime is 72682930519. The next prime is 72682930609. The reversal of 72682930544 is 44503928627.
It is a junction number, because it is equal to n+sod(n) for n = 72682930492 and 72682930501.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12385499 + ... + 12391365.
Almost surely, 272682930544 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 72682930544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82041963264).
72682930544 is an abundant number, since it is smaller than the sum of its proper divisors (91400995984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72682930544 is a wasteful number, since it uses less digits than its factorization.
72682930544 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8022 (or 8016 counting only the distinct ones).
The product of its (nonzero) digits is 2903040, while the sum is 50.
The spelling of 72682930544 in words is "seventy-two billion, six hundred eighty-two million, nine hundred thirty thousand, five hundred forty-four".
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