Base | Representation |
---|---|
bin | 111000011010000101… |
… | …1000111001010001110 |
3 | 102120200001202201210122 |
4 | 1300310023013022032 |
5 | 3441040402144210 |
6 | 131352014504542 |
7 | 11515552342163 |
oct | 1606413071216 |
9 | 376601681718 |
10 | 121134412430 |
11 | 47411243a59 |
12 | 1b587805152 |
13 | b566226525 |
14 | 5c11c8206a |
15 | 323e887b55 |
hex | 1c342c728e |
121134412430 has 16 divisors (see below), whose sum is σ = 218423812464. Its totient is φ = 48368904960.
The previous prime is 121134412411. The next prime is 121134412433. The reversal of 121134412430 is 34214431121.
It is a super-2 number, since 2×1211344124302 (a number of 23 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 121134412430.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121134412433) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10601507 + ... + 10612926.
It is an arithmetic number, because the mean of its divisors is an integer number (13651488279).
Almost surely, 2121134412430 is an apocalyptic number.
121134412430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121134412430 is a deficient number, since it is larger than the sum of its proper divisors (97289400034).
121134412430 is a wasteful number, since it uses less digits than its factorization.
121134412430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21215011.
The product of its (nonzero) digits is 2304, while the sum is 26.
Adding to 121134412430 its reverse (34214431121), we get a palindrome (155348843551).
The spelling of 121134412430 in words is "one hundred twenty-one billion, one hundred thirty-four million, four hundred twelve thousand, four hundred thirty".
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