Base | Representation |
---|---|
bin | 10001110000011111101… |
… | …011110110101110110100 |
3 | 11022122210222001220210110 |
4 | 101300133223312232310 |
5 | 124443134342132012 |
6 | 2332333225223020 |
7 | 154110141265164 |
oct | 21603753665664 |
9 | 4278728056713 |
10 | 1220302302132 |
11 | 430588922191 |
12 | 178604931a70 |
13 | 8b0c67b8234 |
14 | 430c4a225a4 |
15 | 21b2226c73c |
hex | 11c1faf6bb4 |
1220302302132 has 48 divisors (see below), whose sum is σ = 2893435016192. Its totient is φ = 400201987680.
The previous prime is 1220302302091. The next prime is 1220302302151. The reversal of 1220302302132 is 2312032030221.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 1220302302099 and 1220302302108.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283708 + ... + 1587795.
Almost surely, 21220302302132 is an apocalyptic number.
1220302302132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1220302302132 is an abundant number, since it is smaller than the sum of its proper divisors (1673132714060).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1220302302132 is a wasteful number, since it uses less digits than its factorization.
1220302302132 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1872388 (or 1872386 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 1220302302132 its reverse (2312032030221), we get a palindrome (3532334332353).
The spelling of 1220302302132 in words is "one trillion, two hundred twenty billion, three hundred two million, three hundred two thousand, one hundred thirty-two".
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