Base | Representation |
---|---|
bin | 10001110000001110011… |
… | …000011111001001000110 |
3 | 11022122001201211122201212 |
4 | 101300032120133021012 |
5 | 124442041033341402 |
6 | 2332244335251422 |
7 | 154100014666442 |
oct | 21601630371106 |
9 | 4278051748655 |
10 | 1220012012102 |
11 | 430449a7aa74 |
12 | 178543679b72 |
13 | 8b07b609ca0 |
14 | 43098259822 |
15 | 21b06a2a952 |
hex | 11c0e61f246 |
1220012012102 has 16 divisors (see below), whose sum is σ = 1970834574240. Its totient is φ = 563069341632.
The previous prime is 1220012012101. The next prime is 1220012012179. The reversal of 1220012012102 is 2012102100221.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1220012012101) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 638423 + ... + 1687485.
It is an arithmetic number, because the mean of its divisors is an integer number (123177160890).
Almost surely, 21220012012102 is an apocalyptic number.
1220012012102 is a deficient number, since it is larger than the sum of its proper divisors (750822562138).
1220012012102 is a wasteful number, since it uses less digits than its factorization.
1220012012102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1093807.
The product of its (nonzero) digits is 32, while the sum is 14.
Adding to 1220012012102 its reverse (2012102100221), we get a palindrome (3232114112323).
The spelling of 1220012012102 in words is "one trillion, two hundred twenty billion, twelve million, twelve thousand, one hundred two".
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