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42901222210849 is a prime number
BaseRepresentation
bin10011100000100101110000…
…00111000011110100100001
312121220022112221100200121101
421300102320013003310201
521110343200341221344
6231124314400554401
712015340164665212
oct1160227007036441
9177808487320541
1042901222210849
1112740340561862
12498a664622a01
131ac274c887c02
14a846047c3409
154e5e5c69c9d4
hex2704b81c3d21

42901222210849 has 2 divisors, whose sum is σ = 42901222210850. Its totient is φ = 42901222210848.

The previous prime is 42901222210837. The next prime is 42901222210943. The reversal of 42901222210849 is 94801222210924.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42800642528400 + 100579682449 = 6542220^2 + 317143^2 .

It is a cyclic number.

It is not a de Polignac number, because 42901222210849 - 25 = 42901222210817 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42901222210799 and 42901222210808.

It is not a weakly prime, because it can be changed into another prime (42901222210949) 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, 21450611105424 + 21450611105425.

It is an arithmetic number, because the mean of its divisors is an integer number (21450611105425).

Almost surely, 242901222210849 is an apocalyptic number.

It is an amenable number.

42901222210849 is a deficient number, since it is larger than the sum of its proper divisors (1).

42901222210849 is an equidigital number, since it uses as much as digits as its factorization.

42901222210849 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 331776, while the sum is 46.

The spelling of 42901222210849 in words is "forty-two trillion, nine hundred one billion, two hundred twenty-two million, two hundred ten thousand, eight hundred forty-nine".