Base | Representation |
---|---|
bin | 100001101111100001… |
… | …0111001001001001010 |
3 | 20221000222012100111112 |
4 | 1003133002321021022 |
5 | 2141400124214000 |
6 | 53142142330322 |
7 | 5143444022441 |
oct | 1033702711112 |
9 | 227028170445 |
10 | 72461554250 |
11 | 28804727228 |
12 | 120632899a2 |
13 | 6aaa405827 |
14 | 37158d9d58 |
15 | 1d41795235 |
hex | 10df0b924a |
72461554250 has 16 divisors (see below), whose sum is σ = 135648030024. Its totient is φ = 28984621600.
The previous prime is 72461554237. The next prime is 72461554271. The reversal of 72461554250 is 5245516427.
It can be written as a sum of positive squares in 4 ways, for example, as 26343562249 + 46117992001 = 162307^2 + 214751^2 .
It is a junction number, because it is equal to n+sod(n) for n = 72461554198 and 72461554207.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 144922859 + ... + 144923358.
Almost surely, 272461554250 is an apocalyptic number.
72461554250 is a deficient number, since it is larger than the sum of its proper divisors (63186475774).
72461554250 is a wasteful number, since it uses less digits than its factorization.
72461554250 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 289846234 (or 289846224 counting only the distinct ones).
The product of its (nonzero) digits is 336000, while the sum is 41.
The spelling of 72461554250 in words is "seventy-two billion, four hundred sixty-one million, five hundred fifty-four thousand, two hundred fifty".
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