Base | Representation |
---|---|
bin | 100100010110111… |
… | …1011111000010110 |
3 | 10011000122111011102 |
4 | 1020231323320112 |
5 | 4444310020202 |
6 | 321020510102 |
7 | 42142561052 |
oct | 11055737026 |
9 | 3130574142 |
10 | 1220001302 |
11 | 576728043 |
12 | 2a06ab332 |
13 | 1659a8380 |
14 | b8058c62 |
15 | 7218bd02 |
hex | 48b7be16 |
1220001302 has 8 divisors (see below), whose sum is σ = 1970771376. Its totient is φ = 563077512.
The previous prime is 1220001287. The next prime is 1220001323. The reversal of 1220001302 is 2031000221.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23461538 + ... + 23461589.
It is an arithmetic number, because the mean of its divisors is an integer number (246346422).
Almost surely, 21220001302 is an apocalyptic number.
1220001302 is a deficient number, since it is larger than the sum of its proper divisors (750770074).
1220001302 is a wasteful number, since it uses less digits than its factorization.
1220001302 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46923142.
The product of its (nonzero) digits is 24, while the sum is 11.
The square root of 1220001302 is about 34928.5170312168. The cubic root of 1220001302 is about 1068.5301102651.
Adding to 1220001302 its reverse (2031000221), we get a palindrome (3251001523).
The spelling of 1220001302 in words is "one billion, two hundred twenty million, one thousand, three hundred two".
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