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230203130121 = 3243159345999
BaseRepresentation
bin1101011001100100101…
…1010000000100001001
3211000012020210200000100
43112121023100010021
512232424000130441
6253430500000013
722426435214646
oct3263113200411
9730166720010
10230203130121
11896a0735968
1238746690009
13189287c61c3
14b1db4c4dcd
155ec4d24cb6
hex35992d0109

230203130121 has 12 divisors (see below), whose sum is σ = 333287136000. Its totient is φ = 153112674840.

The previous prime is 230203129991. The next prime is 230203130137. The reversal of 230203130121 is 121031302032.

230203130121 is a `hidden beast` number, since 230 + 2 + 0 + 313 + 0 + 121 = 666.

It is not a de Polignac number, because 230203130121 - 221 = 230201032969 is a prime.

It is a super-2 number, since 2×2302031301212 (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230203130094 and 230203130103.

It is not an unprimeable number, because it can be changed into a prime (230203130141) 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, 29669121 + ... + 29676878.

It is an arithmetic number, because the mean of its divisors is an integer number (27773928000).

Almost surely, 2230203130121 is an apocalyptic number.

It is an amenable number.

230203130121 is a deficient number, since it is larger than the sum of its proper divisors (103084005879).

230203130121 is a wasteful number, since it uses less digits than its factorization.

230203130121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59346436 (or 59346433 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 230203130121 its reverse (121031302032), we get a palindrome (351234432153).

The spelling of 230203130121 in words is "two hundred thirty billion, two hundred three million, one hundred thirty thousand, one hundred twenty-one".

Divisors: 1 3 9 431 1293 3879 59345999 178037997 534113991 25578125569 76734376707 230203130121