Base | Representation |
---|---|
bin | 10001101010110000011… |
… | …001011011001011100101 |
3 | 11022001220112001100021100 |
4 | 101222300121123023211 |
5 | 124343024344414141 |
6 | 2325433542510313 |
7 | 153501345460314 |
oct | 21526031331345 |
9 | 4261815040240 |
10 | 1214140232421 |
11 | 428a06565a96 |
12 | 177385135399 |
13 | 8a653c8593c |
14 | 42a9c4a627b |
15 | 218b12be0b6 |
hex | 11ab065b2e5 |
1214140232421 has 24 divisors (see below), whose sum is σ = 1762291061856. Its totient is φ = 805489503840.
The previous prime is 1214140232401. The next prime is 1214140232453. The reversal of 1214140232421 is 1242320414121.
1214140232421 is a `hidden beast` number, since 1 + 2 + 1 + 4 + 1 + 4 + 0 + 232 + 421 = 666.
It is not a de Polignac number, because 1214140232421 - 213 = 1214140224229 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1214140232401) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16985071 + ... + 17056403.
It is an arithmetic number, because the mean of its divisors is an integer number (73428794244).
Almost surely, 21214140232421 is an apocalyptic number.
It is an amenable number.
1214140232421 is a deficient number, since it is larger than the sum of its proper divisors (548150829435).
1214140232421 is a wasteful number, since it uses less digits than its factorization.
1214140232421 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 80513 (or 80510 counting only the distinct ones).
The product of its (nonzero) digits is 3072, while the sum is 27.
Adding to 1214140232421 its reverse (1242320414121), we get a palindrome (2456460646542).
The spelling of 1214140232421 in words is "one trillion, two hundred fourteen billion, one hundred forty million, two hundred thirty-two thousand, four hundred twenty-one".
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