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120783835457497 is a prime number
BaseRepresentation
bin11011011101101000101101…
…100110110110011111011001
3120211122211012011110221020201
4123131220231212312133121
5111312410243334114442
61104515154503022201
734304226016510132
oct3335505546663731
9524584164427221
10120783835457497
1135538156318973
121166887213a961
135251b364cbba4
1421b7d7c670c89
15de6ce879d7b7
hex6dda2d9b67d9

120783835457497 has 2 divisors, whose sum is σ = 120783835457498. Its totient is φ = 120783835457496.

The previous prime is 120783835457473. The next prime is 120783835457587. The reversal of 120783835457497 is 794754538387021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115943707856656 + 4840127600841 = 10767716^2 + 2200029^2 .

It is a cyclic number.

It is not a de Polignac number, because 120783835457497 - 235 = 120749475719129 is a prime.

It is not a weakly prime, because it can be changed into another prime (120783835454497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60391917728748 + 60391917728749.

It is an arithmetic number, because the mean of its divisors is an integer number (60391917728749).

Almost surely, 2120783835457497 is an apocalyptic number.

It is an amenable number.

120783835457497 is a deficient number, since it is larger than the sum of its proper divisors (1).

120783835457497 is an equidigital number, since it uses as much as digits as its factorization.

120783835457497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1422489600, while the sum is 73.

The spelling of 120783835457497 in words is "one hundred twenty trillion, seven hundred eighty-three billion, eight hundred thirty-five million, four hundred fifty-seven thousand, four hundred ninety-seven".