Base | Representation |
---|---|
bin | 100011110101011… |
… | …0111100100110110 |
3 | 10002210120021011220 |
4 | 1013222313210312 |
5 | 4430304420042 |
6 | 315152011210 |
7 | 41540254506 |
oct | 10752674466 |
9 | 3083507156 |
10 | 1202420022 |
11 | 567809a61 |
12 | 296830b06 |
13 | 162160b4b |
14 | b599da06 |
15 | 708678ec |
hex | 47ab7936 |
1202420022 has 16 divisors (see below), whose sum is σ = 2413341120. Its totient is φ = 399389832.
The previous prime is 1202419963. The next prime is 1202420029. The reversal of 1202420022 is 2200242021.
It is a junction number, because it is equal to n+sod(n) for n = 1202419983 and 1202420010.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1202420029) 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, 352372 + ... + 355767.
It is an arithmetic number, because the mean of its divisors is an integer number (150833820).
Almost surely, 21202420022 is an apocalyptic number.
1202420022 is an abundant number, since it is smaller than the sum of its proper divisors (1210921098).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1202420022 is a wasteful number, since it uses less digits than its factorization.
1202420022 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 708427.
The product of its (nonzero) digits is 128, while the sum is 15.
The square root of 1202420022 is about 34675.9285672352. The cubic root of 1202420022 is about 1063.3724387130.
Adding to 1202420022 its reverse (2200242021), we get a palindrome (3402662043).
The spelling of 1202420022 in words is "one billion, two hundred two million, four hundred twenty thousand, twenty-two".
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