Search a number
-
+
2021001012112 = 24374098346829
BaseRepresentation
bin11101011010001101000…
…011000010001110010000
321011012120000221210200111
4131122031003002032100
5231103002224341422
64144233545331104
7266004201106435
oct35321503021620
97135500853614
102021001012112
1170a113425045
12287825196a94
1311876c441a64
146db61aa7b8c
1537886a79a77
hex1d68d0c2390

2021001012112 has 40 divisors (see below), whose sum is σ = 4031351953400. Its totient is φ = 980785677312.

The previous prime is 2021001012097. The next prime is 2021001012167. The reversal of 2021001012112 is 2112101001202.

It can be written as a sum of positive squares in 4 ways, for example, as 553036144896 + 1467964867216 = 743664^2 + 1211596^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2021001012092 and 2021001012101.

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 7 ways as a sum of consecutive naturals, for example, 3931287 + ... + 4415542.

It is an arithmetic number, because the mean of its divisors is an integer number (100783798835).

Almost surely, 22021001012112 is an apocalyptic number.

It is an amenable number.

2021001012112 is a deficient number, since it is larger than the sum of its proper divisors (2010350941288).

2021001012112 is a wasteful number, since it uses less digits than its factorization.

2021001012112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8347283 (or 8347277 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2021001012112 its reverse (2112101001202), we get a palindrome (4133102013314).

The spelling of 2021001012112 in words is "two trillion, twenty-one billion, one million, twelve thousand, one hundred twelve".

Divisors: 1 2 4 8 16 37 74 148 296 409 592 818 1636 3272 6544 15133 30266 60532 121064 242128 8346829 16693658 33387316 66774632 133549264 308832673 617665346 1235330692 2470661384 3413853061 4941322768 6827706122 13655412244 27310824488 54621648976 126312563257 252625126514 505250253028 1010500506056 2021001012112