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10444312261 is a prime number
BaseRepresentation
bin10011011101000011…
…11000111011000101
3222221212211000222001
421232201320323011
5132342220443021
64444213505301
7516551121655
oct115641707305
928855730861
1010444312261
11447a5a6429
122035942231
13ca5a75336
14711180365
15411dc6091
hex26e878ec5

10444312261 has 2 divisors, whose sum is σ = 10444312262. Its totient is φ = 10444312260.

The previous prime is 10444312237. The next prime is 10444312279. The reversal of 10444312261 is 16221344401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5590403361 + 4853908900 = 74769^2 + 69670^2 .

It is a cyclic number.

It is not a de Polignac number, because 10444312261 - 215 = 10444279493 is a prime.

It is a super-3 number, since 3×104443122613 (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10444319261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5222156130 + 5222156131.

It is an arithmetic number, because the mean of its divisors is an integer number (5222156131).

Almost surely, 210444312261 is an apocalyptic number.

It is an amenable number.

10444312261 is a deficient number, since it is larger than the sum of its proper divisors (1).

10444312261 is an equidigital number, since it uses as much as digits as its factorization.

10444312261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 10444312261 its reverse (16221344401), we get a palindrome (26665656662).

The spelling of 10444312261 in words is "ten billion, four hundred forty-four million, three hundred twelve thousand, two hundred sixty-one".