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10312321049 is a prime number
BaseRepresentation
bin10011001101010100…
…11000100000011001
3222121200110012001122
421212222120200121
5132104423233144
64423140455025
7513356165642
oct114652304031
928550405048
1010312321049
114412044488
121bb96aa475
13c84610424
146db8226c9
154055027ee
hex266a98819

10312321049 has 2 divisors, whose sum is σ = 10312321050. Its totient is φ = 10312321048.

The previous prime is 10312321043. The next prime is 10312321073. The reversal of 10312321049 is 94012321301.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6459015424 + 3853305625 = 80368^2 + 62075^2 .

It is a cyclic number.

It is not a de Polignac number, because 10312321049 - 220 = 10311272473 is a prime.

It is not a weakly prime, because it can be changed into another prime (10312321043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5156160524 + 5156160525.

It is an arithmetic number, because the mean of its divisors is an integer number (5156160525).

Almost surely, 210312321049 is an apocalyptic number.

It is an amenable number.

10312321049 is a deficient number, since it is larger than the sum of its proper divisors (1).

10312321049 is an equidigital number, since it uses as much as digits as its factorization.

10312321049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 10312321049 in words is "ten billion, three hundred twelve million, three hundred twenty-one thousand, forty-nine".