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6446028468260 = 225392298215897
BaseRepresentation
bin101110111001101010100…
…1111001011000000100100
3211211020022210210101011202
41131303111033023000210
51321102431241441020
621413133053022032
71233465410640203
oct135632517130044
924736283711152
106446028468260
112065822028267
12881349a84918
13379b1c9a6174
14183dbd05d23a
15b2a21725e75
hex5dcd53cb024

6446028468260 has 24 divisors (see below), whose sum is σ = 13537006498680. Its totient is φ = 2578345346304.

The previous prime is 6446028468251. The next prime is 6446028468277. The reversal of 6446028468260 is 628648206446.

It can be written as a sum of positive squares in 4 ways, for example, as 1755789303844 + 4690239164416 = 1325062^2 + 2165696^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6446028468196 and 6446028468205.

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, 3323369 + ... + 4892528.

It is an arithmetic number, because the mean of its divisors is an integer number (564041937445).

Almost surely, 26446028468260 is an apocalyptic number.

It is an amenable number.

6446028468260 is an abundant number, since it is smaller than the sum of its proper divisors (7090978030420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6446028468260 is a wasteful number, since it uses less digits than its factorization.

6446028468260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8255135 (or 8255133 counting only the distinct ones).

The product of its (nonzero) digits is 21233664, while the sum is 56.

The spelling of 6446028468260 in words is "six trillion, four hundred forty-six billion, twenty-eight million, four hundred sixty-eight thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 39229 78458 156916 196145 392290 784580 8215897 16431794 32863588 41079485 82158970 164317940 322301423413 644602846826 1289205693652 1611507117065 3223014234130 6446028468260