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61090418827 is a prime number
BaseRepresentation
bin111000111001010001…
…011101000010001011
312211200111101211011201
4320321101131002023
52000103121400302
644021535405031
74261606664224
oct707121350213
9184614354151
1061090418827
11239a9a48949
12ba0b083777
1359b7634b29
142d5761a24b
1518c8344c87
hexe3945d08b

61090418827 has 2 divisors, whose sum is σ = 61090418828. Its totient is φ = 61090418826.

The previous prime is 61090418813. The next prime is 61090418861. The reversal of 61090418827 is 72881409016.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 61090418827 - 27 = 61090418699 is a prime.

It is not a weakly prime, because it can be changed into another prime (61090418027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30545209413 + 30545209414.

It is an arithmetic number, because the mean of its divisors is an integer number (30545209414).

Almost surely, 261090418827 is an apocalyptic number.

61090418827 is a deficient number, since it is larger than the sum of its proper divisors (1).

61090418827 is an equidigital number, since it uses as much as digits as its factorization.

61090418827 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 46.

The spelling of 61090418827 in words is "sixty-one billion, ninety million, four hundred eighteen thousand, eight hundred twenty-seven".