Base | Representation |
---|---|
bin | 100001100110000010… |
… | …0000000100000100010 |
3 | 20220012202221011012212 |
4 | 1003030010000200202 |
5 | 2140222112020313 |
6 | 53050404322122 |
7 | 5132526025502 |
oct | 1031404004042 |
9 | 226182834185 |
10 | 72143079458 |
11 | 2866098441a |
12 | 11b946a3342 |
13 | 6a594398c8 |
14 | 36c54b7a02 |
15 | 1d238373a8 |
hex | 10cc100822 |
72143079458 has 16 divisors (see below), whose sum is σ = 113941612320. Its totient is φ = 34163591616.
The previous prime is 72143079443. The next prime is 72143079493. The reversal of 72143079458 is 85497034127.
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, 122135 + ... + 399002.
It is an arithmetic number, because the mean of its divisors is an integer number (7121350770).
Almost surely, 272143079458 is an apocalyptic number.
72143079458 is a deficient number, since it is larger than the sum of its proper divisors (41798532862).
72143079458 is a wasteful number, since it uses less digits than its factorization.
72143079458 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 524801.
The product of its (nonzero) digits is 1693440, while the sum is 50.
The spelling of 72143079458 in words is "seventy-two billion, one hundred forty-three million, seventy-nine thousand, four hundred fifty-eight".
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