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165050150655065 = 51321597122307841
BaseRepresentation
bin100101100001110010111011…
…100110011001010001011001
3210122101122021210010102012012
4211201302323212121101121
5133113140202031430230
61343010554212155305
746523323411444364
oct4541627346312131
9718348253112165
10165050150655065
1148654415218205
12166179a9608b35
137113215ac6500
142ca868163b0db
1514134ee797395
hex961cbb999459

165050150655065 has 24 divisors (see below), whose sum is σ = 214601828804568. Its totient is φ = 121806867087360.

The previous prime is 165050150655031. The next prime is 165050150655077. The reversal of 165050150655065 is 560556051050561.

165050150655065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 12 ways, for example, as 103848756365641 + 61201394289424 = 10190621^2 + 7823132^2 .

It is not a de Polignac number, because 165050150655065 - 210 = 165050150654041 is a prime.

It is a super-2 number, since 2×1650501506550652 (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59804456 + ... + 62503385.

It is an arithmetic number, because the mean of its divisors is an integer number (8941742866857).

Almost surely, 2165050150655065 is an apocalyptic number.

It is an amenable number.

165050150655065 is a deficient number, since it is larger than the sum of its proper divisors (49551678149503).

165050150655065 is a wasteful number, since it uses less digits than its factorization.

165050150655065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122309469 (or 122309456 counting only the distinct ones).

The product of its (nonzero) digits is 3375000, while the sum is 50.

The spelling of 165050150655065 in words is "one hundred sixty-five trillion, fifty billion, one hundred fifty million, six hundred fifty-five thousand, sixty-five".

Divisors: 1 5 13 65 169 845 1597 7985 20761 103805 269893 1349465 122307841 611539205 1590001933 7950009665 20670025129 103350125645 195325622077 976628110385 2539233087001 12696165435005 33010030131013 165050150655065