Base | Representation |
---|---|
bin | 11100001001101110101010… |
… | …11100100000100000101000 |
3 | 22010012020122102012011202201 |
4 | 32010313111130200200220 |
5 | 31103240410313014243 |
6 | 335355354024305544 |
7 | 16016425541165632 |
oct | 1604672534404050 |
9 | 263166572164681 |
10 | 61906944657448 |
11 | 187a8651391810 |
12 | 6b39b926122b4 |
13 | 2870a522ccc97 |
14 | 11404525d7a52 |
15 | 72551d37c04d |
hex | 384dd5720828 |
61906944657448 has 32 divisors (see below), whose sum is σ = 126628177908960. Its totient is φ = 28139445506880.
The previous prime is 61906944657427. The next prime is 61906944657449. The reversal of 61906944657448 is 84475644960916.
It is not an unprimeable number, because it can be changed into a prime (61906944657449) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45255286 + ... + 46603162.
It is an arithmetic number, because the mean of its divisors is an integer number (3957130559655).
Almost surely, 261906944657448 is an apocalyptic number.
It is an amenable number.
61906944657448 is an abundant number, since it is smaller than the sum of its proper divisors (64721233251512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
61906944657448 is a wasteful number, since it uses less digits than its factorization.
61906944657448 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1869817 (or 1869813 counting only the distinct ones).
The product of its (nonzero) digits is 1254113280, while the sum is 73.
The spelling of 61906944657448 in words is "sixty-one trillion, nine hundred six billion, nine hundred forty-four million, six hundred fifty-seven thousand, four hundred forty-eight".
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