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30165157135171 = 71244363121407
BaseRepresentation
bin1101101101111010111110…
…11110011100001101000011
310221210202112122222111222101
412312331133132130031003
512423211220211311141
6144053403141451231
76232234500025012
oct666753736341503
9127722478874871
1030165157135171
11967aa758871a3
123472262110b17
1313aa73cc64236
14764003b86a79
153749e93ab531
hex1b6f5f79c343

30165157135171 has 24 divisors (see below), whose sum is σ = 30715100255232. Its totient is φ = 29624752357200.

The previous prime is 30165157135151. The next prime is 30165157135213. The reversal of 30165157135171 is 17153175156103.

It is a de Polignac number, because none of the positive numbers 2k-30165157135171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30165157135151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1409115150 + ... + 1409136556.

It is an arithmetic number, because the mean of its divisors is an integer number (1279795843968).

Almost surely, 230165157135171 is an apocalyptic number.

30165157135171 is a deficient number, since it is larger than the sum of its proper divisors (549943120061).

30165157135171 is an equidigital number, since it uses as much as digits as its factorization.

30165157135171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22623 (or 22552 counting only the distinct ones).

The product of its (nonzero) digits is 330750, while the sum is 46.

The spelling of 30165157135171 in words is "thirty trillion, one hundred sixty-five billion, one hundred fifty-seven million, one hundred thirty-five thousand, one hundred seventy-one".

Divisors: 1 71 443 631 5041 21407 31453 44801 279533 1519897 2233163 3180871 9483301 13507817 19846843 107912687 673314371 959055007 1409125853 5983962931 47805320341 68092905497 424861368101 30165157135171