Base | Representation |
---|---|
bin | 111000100010111001… |
… | …0111000111001100111 |
3 | 102121102200001210200012 |
4 | 1301011302320321213 |
5 | 3442142043134310 |
6 | 131441215240435 |
7 | 11526102262355 |
oct | 1610562707147 |
9 | 377380053605 |
10 | 121430052455 |
11 | 4755310a758 |
12 | 1b64a81911b |
13 | b5b255895a |
14 | 5c3d23c7d5 |
15 | 325a7d4c05 |
hex | 1c45cb8e67 |
121430052455 has 8 divisors (see below), whose sum is σ = 146694024000. Its totient is φ = 96492067936.
The previous prime is 121430052449. The next prime is 121430052463. The reversal of 121430052455 is 554250034121.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 121430052455 - 214 = 121430036071 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81495935 + ... + 81497424.
It is an arithmetic number, because the mean of its divisors is an integer number (18336753000).
Almost surely, 2121430052455 is an apocalyptic number.
121430052455 is a deficient number, since it is larger than the sum of its proper divisors (25263971545).
121430052455 is a wasteful number, since it uses less digits than its factorization.
121430052455 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 162993513.
The product of its (nonzero) digits is 24000, while the sum is 32.
Adding to 121430052455 its reverse (554250034121), we get a palindrome (675680086576).
The spelling of 121430052455 in words is "one hundred twenty-one billion, four hundred thirty million, fifty-two thousand, four hundred fifty-five".
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