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445242415229 is a prime number
BaseRepresentation
bin1100111101010101000…
…01000001100001111101
31120120020201011012020022
412132222201001201331
524243324024241404
6540312550101525
744111344041143
oct6365241014175
91516221135208
10445242415229
1116190a810607
127235a94a8a5
1332ca8837741
141779aad5593
15b8ad76d8be
hex67aa84187d

445242415229 has 2 divisors, whose sum is σ = 445242415230. Its totient is φ = 445242415228.

The previous prime is 445242415201. The next prime is 445242415231. The reversal of 445242415229 is 922514242544.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 275084515225 + 170157900004 = 524485^2 + 412502^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-445242415229 is a prime.

It is a super-2 number, since 2×4452424152292 (a number of 24 digits) contains 22 as substring.

Together with 445242415231, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 445242415229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (445242415279) 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 as a sum of consecutive naturals, namely, 222621207614 + 222621207615.

It is an arithmetic number, because the mean of its divisors is an integer number (222621207615).

Almost surely, 2445242415229 is an apocalyptic number.

It is an amenable number.

445242415229 is a deficient number, since it is larger than the sum of its proper divisors (1).

445242415229 is an equidigital number, since it uses as much as digits as its factorization.

445242415229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 921600, while the sum is 44.

The spelling of 445242415229 in words is "four hundred forty-five billion, two hundred forty-two million, four hundred fifteen thousand, two hundred twenty-nine".