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2021230120202 = 27131723448697
BaseRepresentation
bin11101011010011010101…
…101000000110100001010
321011020011000001200220022
4131122122231000310022
5231103434402321302
64144312412100442
7266012652356156
oct35323255006412
97136130050808
102021230120202
1170a220789377
12287889a64722
131187a7a4b087
146db842a6066
153789bc338a2
hex1d69ab40d0a

2021230120202 has 16 divisors (see below), whose sum is σ = 3074650996032. Its totient is φ = 996347415840.

The previous prime is 2021230120187. The next prime is 2021230120249. The reversal of 2021230120202 is 2020210321202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4280318 + ... + 4729014.

It is an arithmetic number, because the mean of its divisors is an integer number (192165687252).

Almost surely, 22021230120202 is an apocalyptic number.

2021230120202 is a deficient number, since it is larger than the sum of its proper divisors (1053420875830).

2021230120202 is a wasteful number, since it uses less digits than its factorization.

2021230120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480493.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 2021230120202 its reverse (2020210321202), we get a palindrome (4041440441404).

The spelling of 2021230120202 in words is "two trillion, twenty-one billion, two hundred thirty million, one hundred twenty thousand, two hundred two".

Divisors: 1 2 71 142 31723 63446 448697 897394 2252333 4504666 31857487 63714974 14234014931 28468029862 1010615060101 2021230120202