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129159927173983 is a prime number
BaseRepresentation
bin11101010111100001100011…
…100101000001001101011111
3121221022120100101210001202211
4131113201203211001031133
5113412124012324031413
61134411130145501251
736130332254412046
oct3527414345011537
9557276311701684
10129159927173983
1138177465774202
12125a0086341827
13570b962438354
1423c7533b0d55d
15edeb2d1d683d
hex75786394135f

129159927173983 has 2 divisors, whose sum is σ = 129159927173984. Its totient is φ = 129159927173982.

The previous prime is 129159927173957. The next prime is 129159927173999. The reversal of 129159927173983 is 389371729951921.

It is a strong prime.

It is an emirp because it is prime and its reverse (389371729951921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 129159927173983 - 25 = 129159927173951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (129159927173083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64579963586991 + 64579963586992.

It is an arithmetic number, because the mean of its divisors is an integer number (64579963586992).

Almost surely, 2129159927173983 is an apocalyptic number.

129159927173983 is a deficient number, since it is larger than the sum of its proper divisors (1).

129159927173983 is an equidigital number, since it uses as much as digits as its factorization.

129159927173983 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 462944160, while the sum is 76.

The spelling of 129159927173983 in words is "one hundred twenty-nine trillion, one hundred fifty-nine billion, nine hundred twenty-seven million, one hundred seventy-three thousand, nine hundred eighty-three".