Base | Representation |
---|---|
bin | 10001110000011010110… |
… | …101110010011101100010 |
3 | 11022122121022010100200012 |
4 | 101300122311302131202 |
5 | 124443003040120002 |
6 | 2332321203124522 |
7 | 154105133352065 |
oct | 21603265623542 |
9 | 4278538110605 |
10 | 1220221020002 |
11 | 430546a55776 |
12 | 1785a1673742 |
13 | 8b0b29c93ba |
14 | 430b7d048dc |
15 | 21b1a063d52 |
hex | 11c1ad72762 |
1220221020002 has 8 divisors (see below), whose sum is σ = 1830349918656. Its totient is φ = 610104380452.
The previous prime is 1220221019981. The next prime is 1220221020017. The reversal of 1220221020002 is 2000201220221.
It is a sphenic number, since it is the product of 3 distinct primes.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2811758 + ... + 3216585.
It is an arithmetic number, because the mean of its divisors is an integer number (228793739832).
Almost surely, 21220221020002 is an apocalyptic number.
1220221020002 is a deficient number, since it is larger than the sum of its proper divisors (610128898654).
1220221020002 is a wasteful number, since it uses less digits than its factorization.
1220221020002 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6129552.
The product of its (nonzero) digits is 64, while the sum is 14.
Adding to 1220221020002 its reverse (2000201220221), we get a palindrome (3220422240223).
The spelling of 1220221020002 in words is "one trillion, two hundred twenty billion, two hundred twenty-one million, twenty thousand, two".
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