Base | Representation |
---|---|
bin | 10110100100111100… |
… | …10101101010111000 |
3 | 1011021201222211110221 |
4 | 23102132111222320 |
5 | 144311000244112 |
6 | 5322433145424 |
7 | 606241450543 |
oct | 132236255270 |
9 | 34251884427 |
10 | 12121103032 |
11 | 5160057125 |
12 | 24233bb274 |
13 | 11b228681c |
14 | 82db4385a |
15 | 4ae1e2e07 |
hex | 2d2795ab8 |
12121103032 has 16 divisors (see below), whose sum is σ = 22738478760. Its totient is φ = 6057508704.
The previous prime is 12121103009. The next prime is 12121103051. The reversal of 12121103032 is 23030112121.
It is a super-2 number, since 2×121211030322 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 12121102997 and 12121103015.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363378 + ... + 395329.
Almost surely, 212121103032 is an apocalyptic number.
It is an amenable number.
12121103032 is a deficient number, since it is larger than the sum of its proper divisors (10617375728).
12121103032 is a wasteful number, since it uses less digits than its factorization.
12121103032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 760710 (or 760706 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 12121103032 its reverse (23030112121), we get a palindrome (35151215153).
The spelling of 12121103032 in words is "twelve billion, one hundred twenty-one million, one hundred three thousand, thirty-two".
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