Base | Representation |
---|---|
bin | 110111111011111001… |
… | …0001000101101100110 |
3 | 102111001110021211212001 |
4 | 1233313302020231212 |
5 | 3432002013412410 |
6 | 131103302515514 |
7 | 11451500425066 |
oct | 1576762105546 |
9 | 374043254761 |
10 | 120121232230 |
11 | 46a4133874a |
12 | 1b344435b9a |
13 | b43435310c |
14 | 5b574a33a6 |
15 | 31d095133a |
hex | 1bf7c88b66 |
120121232230 has 48 divisors (see below), whose sum is σ = 223502337936. Its totient is φ = 46448588160.
The previous prime is 120121232221. The next prime is 120121232249. The reversal of 120121232230 is 32232121021.
It is a super-2 number, since 2×1201212322302 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 120121232198 and 120121232207.
It is a congruent number.
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, 9113545 + ... + 9126715.
It is an arithmetic number, because the mean of its divisors is an integer number (4656298707).
Almost surely, 2120121232230 is an apocalyptic number.
120121232230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
120121232230 is a deficient number, since it is larger than the sum of its proper divisors (103381105706).
120121232230 is a wasteful number, since it uses less digits than its factorization.
120121232230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13529 (or 13372 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 19.
Adding to 120121232230 its reverse (32232121021), we get a palindrome (152353353251).
The spelling of 120121232230 in words is "one hundred twenty billion, one hundred twenty-one million, two hundred thirty-two thousand, two hundred thirty".
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