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5121155067161 = 719313191229443
BaseRepresentation
bin100101010000101110010…
…1000001110110100011001
3200010120121002202020011212
41022201130220032310121
51132401111144122121
614520343130032505
71035663665561240
oct112413450166431
920116532666155
105121155067161
1116a4962588741
126a8620578735
132b1bcc66cc13
14139c18283957
158d32dcd925b
hex4a85ca0ed19

5121155067161 has 16 divisors (see below), whose sum is σ = 6160989772800. Its totient is φ = 4158395772048.

The previous prime is 5121155067157. The next prime is 5121155067173. The reversal of 5121155067161 is 1617605511215.

It is not a de Polignac number, because 5121155067161 - 22 = 5121155067157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5121155087161) 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 in 15 ways as a sum of consecutive naturals, for example, 3550706 + ... + 4780148.

It is an arithmetic number, because the mean of its divisors is an integer number (385061860800).

Almost surely, 25121155067161 is an apocalyptic number.

It is an amenable number.

5121155067161 is a deficient number, since it is larger than the sum of its proper divisors (1039834705639).

5121155067161 is a wasteful number, since it uses less digits than its factorization.

5121155067161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260788.

The product of its (nonzero) digits is 63000, while the sum is 41.

The spelling of 5121155067161 in words is "five trillion, one hundred twenty-one billion, one hundred fifty-five million, sixty-seven thousand, one hundred sixty-one".

Divisors: 1 7 19 133 31319 219233 595061 1229443 4165427 8606101 23359417 163515919 38504925317 269534477219 731593581023 5121155067161