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230396834169 = 32197129947453
BaseRepresentation
bin1101011010010010111…
…0001011000101111001
3211000200202021212000100
43112210232023011321
512233323042143134
6253502015430013
722434306530535
oct3264456130571
9730622255010
10230396834169
1189790008657
123879b525309
1318959987898
14b219108bc5
155ed6d38999
hex35a4b8b179

230396834169 has 12 divisors (see below), whose sum is σ = 334484746596. Its totient is φ = 152818203552.

The previous prime is 230396834119. The next prime is 230396834177. The reversal of 230396834169 is 961438693032.

230396834169 is a `hidden beast` number, since 230 + 3 + 9 + 6 + 8 + 341 + 69 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 222417878544 + 7978955625 = 471612^2 + 89325^2 .

It is not a de Polignac number, because 230396834169 - 28 = 230396833913 is a prime.

It is a super-2 number, since 2×2303968341692 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (230396834119) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64971954 + ... + 64975499.

It is an arithmetic number, because the mean of its divisors is an integer number (27873728883).

Almost surely, 2230396834169 is an apocalyptic number.

It is an amenable number.

230396834169 is a deficient number, since it is larger than the sum of its proper divisors (104087912427).

230396834169 is a wasteful number, since it uses less digits than its factorization.

230396834169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129947656 (or 129947653 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 54.

The spelling of 230396834169 in words is "two hundred thirty billion, three hundred ninety-six million, eight hundred thirty-four thousand, one hundred sixty-nine".

Divisors: 1 3 9 197 591 1773 129947453 389842359 1169527077 25599648241 76798944723 230396834169