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2021131202 = 21346975029
BaseRepresentation
bin111100001111000…
…0000001111000010
312012212010002210012
41320132000033002
513114402144302
6532315504522
7101041221536
oct17036001702
95185102705
102021131202
1194796a872
12484a58142
1326296562c
141525d9bc6
15bc688a52
hex787803c2

2021131202 has 8 divisors (see below), whose sum is σ = 3031962300. Its totient is φ = 1010477104.

The previous prime is 2021131159. The next prime is 2021131247. The reversal of 2021131202 is 2021311202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1866153601 + 154977601 = 43199^2 + 12449^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10577 + ... + 64452.

Almost surely, 22021131202 is an apocalyptic number.

2021131202 is a deficient number, since it is larger than the sum of its proper divisors (1010831098).

2021131202 is a wasteful number, since it uses less digits than its factorization.

2021131202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88500.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2021131202 is about 44956.9928042346. The cubic root of 2021131202 is about 1264.3427878617.

Adding to 2021131202 its reverse (2021311202), we get a palindrome (4042442404).

The spelling of 2021131202 in words is "two billion, twenty-one million, one hundred thirty-one thousand, two hundred two".

Divisors: 1 2 13469 26938 75029 150058 1010565601 2021131202