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56480169289 is a prime number
BaseRepresentation
bin110100100110011110…
…101111110101001001
312101210012101212201211
4310212132233311021
51411132410404124
641540250013121
74036426342405
oct644636576511
9171705355654
1056480169289
1121a53646165
12ab431171a1
13543146951b
142a3b212105
151708729e94
hexd267afd49

56480169289 has 2 divisors, whose sum is σ = 56480169290. Its totient is φ = 56480169288.

The previous prime is 56480169281. The next prime is 56480169293. The reversal of 56480169289 is 98296108465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55058276025 + 1421893264 = 234645^2 + 37708^2 .

It is a cyclic number.

It is not a de Polignac number, because 56480169289 - 23 = 56480169281 is a prime.

It is not a weakly prime, because it can be changed into another prime (56480169281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28240084644 + 28240084645.

It is an arithmetic number, because the mean of its divisors is an integer number (28240084645).

Almost surely, 256480169289 is an apocalyptic number.

It is an amenable number.

56480169289 is a deficient number, since it is larger than the sum of its proper divisors (1).

56480169289 is an equidigital number, since it uses as much as digits as its factorization.

56480169289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7464960, while the sum is 58.

The spelling of 56480169289 in words is "fifty-six billion, four hundred eighty million, one hundred sixty-nine thousand, two hundred eighty-nine".