Base | Representation |
---|---|
bin | 100001101001110010… |
… | …0110101001110000001 |
3 | 20220112120002220111001 |
4 | 1003103210311032001 |
5 | 2141001343440411 |
6 | 53111110052001 |
7 | 5135616264631 |
oct | 1032344651601 |
9 | 226476086431 |
10 | 72269124481 |
11 | 28716044964 |
12 | 1200a94a001 |
13 | 6a7959c168 |
14 | 36d81286c1 |
15 | 1d2e933dc1 |
hex | 10d3935381 |
72269124481 has 8 divisors (see below), whose sum is σ = 75439327680. Its totient is φ = 69101260272.
The previous prime is 72269124461. The next prime is 72269124491. The reversal of 72269124481 is 18442196227.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 72269124481 - 223 = 72260735873 is a prime.
It is a super-2 number, since 2×722691244812 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (72269124461) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521451 + ... + 645328.
It is an arithmetic number, because the mean of its divisors is an integer number (9429915960).
Almost surely, 272269124481 is an apocalyptic number.
It is an amenable number.
72269124481 is a deficient number, since it is larger than the sum of its proper divisors (3170203199).
72269124481 is a wasteful number, since it uses less digits than its factorization.
72269124481 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1169495.
The product of its digits is 387072, while the sum is 46.
The spelling of 72269124481 in words is "seventy-two billion, two hundred sixty-nine million, one hundred twenty-four thousand, four hundred eighty-one".
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