Base | Representation |
---|---|
bin | 11101011010011001100… |
… | …000101110000010001010 |
3 | 21011020002121102121020022 |
4 | 131122121200232002022 |
5 | 231103414242322310 |
6 | 4144310415300442 |
7 | 266012320360412 |
oct | 35323140560212 |
9 | 7136077377208 |
10 | 2021210120330 |
11 | 70a210469155 |
12 | 28788321a722 |
13 | 1187a3867a2b |
14 | 6db8177b642 |
15 | 3789a0d2a55 |
hex | 1d69982e08a |
2021210120330 has 8 divisors (see below), whose sum is σ = 3638178216612. Its totient is φ = 808484048128.
The previous prime is 2021210120261. The next prime is 2021210120339. The reversal of 2021210120330 is 330210121202.
It can be written as a sum of positive squares in 2 ways, for example, as 1949371647601 + 71838472729 = 1396199^2 + 268027^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 2021210120299 and 2021210120308.
It is not an unprimeable number, because it can be changed into a prime (2021210120339) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101060506007 + ... + 101060506026.
Almost surely, 22021210120330 is an apocalyptic number.
2021210120330 is a deficient number, since it is larger than the sum of its proper divisors (1616968096282).
2021210120330 is a wasteful number, since it uses less digits than its factorization.
2021210120330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 202121012040.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 2021210120330 its reverse (330210121202), we get a palindrome (2351420241532).
The spelling of 2021210120330 in words is "two trillion, twenty-one billion, two hundred ten million, one hundred twenty thousand, three hundred thirty".
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