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61061060000071 is a prime number
BaseRepresentation
bin11011110001000111000101…
…10010100111100101000111
322000012101021020222022221101
431320203202302213211013
531000411022330000241
6333511021432400531
715601341663220405
oct1570434262474507
9260171236868841
1061061060000071
111850193956987a
126a22061546147
13280c05808b391
14111152a31c475
1570d511b50e31
hex3788e2ca7947

61061060000071 has 2 divisors, whose sum is σ = 61061060000072. Its totient is φ = 61061060000070.

The previous prime is 61061060000041. The next prime is 61061060000081. The reversal of 61061060000071 is 17000006016016.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 61061060000071 - 211 = 61061059998023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 61061059999994 and 61061060000039.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (61061060000041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30530530000035 + 30530530000036.

It is an arithmetic number, because the mean of its divisors is an integer number (30530530000036).

Almost surely, 261061060000071 is an apocalyptic number.

61061060000071 is a deficient number, since it is larger than the sum of its proper divisors (1).

61061060000071 is an equidigital number, since it uses as much as digits as its factorization.

61061060000071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 28.

Adding to 61061060000071 its reverse (17000006016016), we get a palindrome (78061066016087).

The spelling of 61061060000071 in words is "sixty-one trillion, sixty-one billion, sixty million, seventy-one", and thus it is an aban number and an uban number.