Base | Representation |
---|---|
bin | 100100010111100… |
… | …1000010000010111 |
3 | 10011001020101021211 |
4 | 1020233020100113 |
5 | 4444400023020 |
6 | 321031322251 |
7 | 42145333105 |
oct | 11057102027 |
9 | 3131211254 |
10 | 1220314135 |
11 | 576921087 |
12 | 2a0820387 |
13 | 165a87891 |
14 | b80dac75 |
15 | 721ee85a |
hex | 48bc8417 |
1220314135 has 16 divisors (see below), whose sum is σ = 1505985696. Its totient is φ = 948857728.
The previous prime is 1220314097. The next prime is 1220314153. The reversal of 1220314135 is 5314130221.
It is a happy number.
It is not a de Polignac number, because 1220314135 - 29 = 1220313623 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6837 + ... + 49873.
It is an arithmetic number, because the mean of its divisors is an integer number (94124106).
Almost surely, 21220314135 is an apocalyptic number.
1220314135 is a deficient number, since it is larger than the sum of its proper divisors (285671561).
1220314135 is a wasteful number, since it uses less digits than its factorization.
1220314135 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 43202.
The product of its (nonzero) digits is 720, while the sum is 22.
The square root of 1220314135 is about 34932.9949331574. The cubic root of 1220314135 is about 1068.6214333678.
Adding to 1220314135 its reverse (5314130221), we get a palindrome (6534444356).
The spelling of 1220314135 in words is "one billion, two hundred twenty million, three hundred fourteen thousand, one hundred thirty-five".
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