Base | Representation |
---|---|
bin | 111001000001010000… |
… | …110110111010001001 |
3 | 12212000211122212001220 |
4 | 321001100312322021 |
5 | 2000341431333033 |
6 | 44043125032253 |
7 | 4265125332246 |
oct | 710120667211 |
9 | 185024585056 |
10 | 61224480393 |
11 | 23a6869432a |
12 | ba47b55689 |
13 | 5a093431bb |
14 | 2d6b3565cd |
15 | 18d4ec6bb3 |
hex | e41436e89 |
61224480393 has 32 divisors (see below), whose sum is σ = 84926140416. Its totient is φ = 39208904448.
The previous prime is 61224480371. The next prime is 61224480509. The reversal of 61224480393 is 39308442216.
It is not a de Polignac number, because 61224480393 - 210 = 61224479369 is a prime.
It is not an unprimeable number, because it can be changed into a prime (61224480313) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1622446 + ... + 1659752.
It is an arithmetic number, because the mean of its divisors is an integer number (2653941888).
Almost surely, 261224480393 is an apocalyptic number.
It is an amenable number.
61224480393 is a deficient number, since it is larger than the sum of its proper divisors (23701660023).
61224480393 is a wasteful number, since it uses less digits than its factorization.
61224480393 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37573.
The product of its (nonzero) digits is 248832, while the sum is 42.
The spelling of 61224480393 in words is "sixty-one billion, two hundred twenty-four million, four hundred eighty thousand, three hundred ninety-three".
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