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2002021202 = 22693721229
BaseRepresentation
bin111011101010100…
…0110101101010010
312011112011012210102
41313111012231102
513100004134302
6530354132402
7100416620336
oct16725065522
95145135712
102002021202
119380a8185
1247a581102
1325ba0433c
1414dc637c6
15bab61702
hex77546b52

2002021202 has 8 divisors (see below), whose sum is σ = 3014196300. Its totient is φ = 997289104.

The previous prime is 2002021193. The next prime is 2002021207. The reversal of 2002021202 is 2021202002.

It can be written as a sum of positive squares in 2 ways, for example, as 1311960841 + 690060361 = 36221^2 + 26269^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2002021207) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1860077 + ... + 1861152.

Almost surely, 22002021202 is an apocalyptic number.

2002021202 is a deficient number, since it is larger than the sum of its proper divisors (1012175098).

2002021202 is a wasteful number, since it uses less digits than its factorization.

2002021202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3721500.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2002021202 is about 44743.9515688992. The cubic root of 2002021202 is about 1260.3453328244.

Adding to 2002021202 its reverse (2021202002), we get a palindrome (4023223204).

The spelling of 2002021202 in words is "two billion, two million, twenty-one thousand, two hundred two".

Divisors: 1 2 269 538 3721229 7442458 1001010601 2002021202