Base | Representation |
---|---|
bin | 100001111100100100… |
… | …1110110010011111100 |
3 | 20222011111102122002212 |
4 | 1003321021312103330 |
5 | 2143244243212101 |
6 | 53253431035552 |
7 | 5160343152020 |
oct | 1037111662374 |
9 | 228144378085 |
10 | 72899585276 |
11 | 28a09a08441 |
12 | 12165b0bbb8 |
13 | 6b4a0a169b |
14 | 3757b60380 |
15 | 1d69e6c1bb |
hex | 10f92764fc |
72899585276 has 12 divisors (see below), whose sum is σ = 145799170608. Its totient is φ = 31242679392.
The previous prime is 72899585273. The next prime is 72899585323. The reversal of 72899585276 is 67258599827.
72899585276 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (72899585273) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1301778281 + ... + 1301778336.
It is an arithmetic number, because the mean of its divisors is an integer number (12149930884).
Almost surely, 272899585276 is an apocalyptic number.
It is an amenable number.
72899585276 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72899585276 is a wasteful number, since it uses less digits than its factorization.
72899585276 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2603556628 (or 2603556626 counting only the distinct ones).
The product of its digits is 152409600, while the sum is 68.
The spelling of 72899585276 in words is "seventy-two billion, eight hundred ninety-nine million, five hundred eighty-five thousand, two hundred seventy-six".
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