Base | Representation |
---|---|
bin | 10001101010101001000… |
… | …001011101110011100101 |
3 | 11022001120220020122200002 |
4 | 101222221001131303211 |
5 | 124342301211324310 |
6 | 2325413403031045 |
7 | 153465314040131 |
oct | 21525101356345 |
9 | 4261526218602 |
10 | 1214016511205 |
11 | 428952742453 |
12 | 17734b80b485 |
13 | 8a634458014 |
14 | 42a89c9c3c1 |
15 | 218a54d0da5 |
hex | 11aa905dce5 |
1214016511205 has 16 divisors (see below), whose sum is σ = 1465195105920. Its totient is φ = 965641355712.
The previous prime is 1214016511181. The next prime is 1214016511217. The reversal of 1214016511205 is 5021156104121.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1214016511205 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103202 + ... + 1561628.
It is an arithmetic number, because the mean of its divisors is an integer number (91574694120).
Almost surely, 21214016511205 is an apocalyptic number.
It is an amenable number.
1214016511205 is a deficient number, since it is larger than the sum of its proper divisors (251178594715).
1214016511205 is a wasteful number, since it uses less digits than its factorization.
1214016511205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1459388.
The product of its (nonzero) digits is 2400, while the sum is 29.
The spelling of 1214016511205 in words is "one trillion, two hundred fourteen billion, sixteen million, five hundred eleven thousand, two hundred five".
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