Base | Representation |
---|---|
bin | 10001110000011001101… |
… | …001110101101001010110 |
3 | 11022122112220122211102111 |
4 | 101300121221311221112 |
5 | 124442432441010402 |
6 | 2332315212301234 |
7 | 154104502206532 |
oct | 21603151655126 |
9 | 4278486584374 |
10 | 1220201110102 |
11 | 430536797107 |
12 | 178596a7181a |
13 | 8b0ab847cb0 |
14 | 430b5400bc2 |
15 | 21b1842e9d7 |
hex | 11c19a75a56 |
1220201110102 has 64 divisors (see below), whose sum is σ = 2115170910720. Its totient is φ = 523251304704.
The previous prime is 1220201110099. The next prime is 1220201110207. The reversal of 1220201110102 is 2010111020221.
It is a Harshad number since it is a multiple of its sum of digits (13).
It is a congruent number.
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, 5508663 + ... + 5725885.
It is an arithmetic number, because the mean of its divisors is an integer number (33049545480).
Almost surely, 21220201110102 is an apocalyptic number.
1220201110102 is a deficient number, since it is larger than the sum of its proper divisors (894969800618).
1220201110102 is a wasteful number, since it uses less digits than its factorization.
1220201110102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 217477.
The product of its (nonzero) digits is 16, while the sum is 13.
Adding to 1220201110102 its reverse (2010111020221), we get a palindrome (3230312130323).
The spelling of 1220201110102 in words is "one trillion, two hundred twenty billion, two hundred one million, one hundred ten thousand, one hundred two".
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