Base | Representation |
---|---|
bin | 111000011101000000… |
… | …0001110101100011111 |
3 | 102120220212211000200121 |
4 | 1300322000032230133 |
5 | 3441240422114012 |
6 | 131405431135411 |
7 | 11521150615210 |
oct | 1607200165437 |
9 | 376825730617 |
10 | 121232223007 |
11 | 4746147a545 |
12 | 1b5b4514567 |
13 | b5805815cc |
14 | 5c20c63407 |
15 | 3248258a07 |
hex | 1c3a00eb1f |
121232223007 has 16 divisors (see below), whose sum is σ = 143392449600. Its totient is φ = 100285516800.
The previous prime is 121232222987. The next prime is 121232223041. The reversal of 121232223007 is 700322232121.
It is a de Polignac number, because none of the positive numbers 2k-121232223007 is a prime.
It is a super-3 number, since 3×1212322230073 (a number of 34 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121232223067) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 329007 + ... + 592207.
It is an arithmetic number, because the mean of its divisors is an integer number (8962028100).
Almost surely, 2121232223007 is an apocalyptic number.
121232223007 is a deficient number, since it is larger than the sum of its proper divisors (22160226593).
121232223007 is a wasteful number, since it uses less digits than its factorization.
121232223007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 265506.
The product of its (nonzero) digits is 2016, while the sum is 25.
Adding to 121232223007 its reverse (700322232121), we get a palindrome (821554455128).
The spelling of 121232223007 in words is "one hundred twenty-one billion, two hundred thirty-two million, two hundred twenty-three thousand, seven".
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