Base | Representation |
---|---|
bin | 10001101010101000000… |
… | …111110101110011011001 |
3 | 11022001112211211012001101 |
4 | 101222220013311303121 |
5 | 124342233324431040 |
6 | 2325412103151401 |
7 | 153465041453134 |
oct | 21525007656331 |
9 | 4261484735041 |
10 | 1214001405145 |
11 | 428945165001 |
12 | 177346745561 |
13 | 8a631299319 |
14 | 42a87c8921b |
15 | 218a3eea09a |
hex | 11aa81f5cd9 |
1214001405145 has 32 divisors (see below), whose sum is σ = 1472604883200. Its totient is φ = 960736026624.
The previous prime is 1214001405079. The next prime is 1214001405161. The reversal of 1214001405145 is 5415041004121.
It is a cyclic number.
It is not a de Polignac number, because 1214001405145 - 27 = 1214001405017 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138691089 + ... + 138699841.
It is an arithmetic number, because the mean of its divisors is an integer number (46018902600).
Almost surely, 21214001405145 is an apocalyptic number.
It is an amenable number.
1214001405145 is a deficient number, since it is larger than the sum of its proper divisors (258603478055).
1214001405145 is a wasteful number, since it uses less digits than its factorization.
1214001405145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9729.
The product of its (nonzero) digits is 3200, while the sum is 28.
Adding to 1214001405145 its reverse (5415041004121), we get a palindrome (6629042409266).
The spelling of 1214001405145 in words is "one trillion, two hundred fourteen billion, one million, four hundred five thousand, one hundred forty-five".
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