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2002201055 = 51693236527
BaseRepresentation
bin111011101010111…
…0010100111011111
312011112111100111122
41313111302213133
513100030413210
6530402041155
7100421266601
oct16725624737
95145440448
102002201055
11938210318
1247a6491bb
1325ba6816a
1414dcad171
15bab99b55
hex775729df

2002201055 has 8 divisors (see below), whose sum is σ = 2404070592. Its totient is φ = 1600807968.

The previous prime is 2002201051. The next prime is 2002201067. The reversal of 2002201055 is 5501022002.

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

It is a cyclic number.

It is not a de Polignac number, because 2002201055 - 22 = 2002201051 is a prime.

It is a super-2 number, since 2×20022010552 = 8017618129286226050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002201051) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109799 + ... + 126728.

It is an arithmetic number, because the mean of its divisors is an integer number (300508824).

Almost surely, 22002201055 is an apocalyptic number.

2002201055 is a deficient number, since it is larger than the sum of its proper divisors (401869537).

2002201055 is a wasteful number, since it uses less digits than its factorization.

2002201055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238225.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 2002201055 is about 44745.9613261353. The cubic root of 2002201055 is about 1260.3830730343.

Adding to 2002201055 its reverse (5501022002), we get a palindrome (7503223057).

The spelling of 2002201055 in words is "two billion, two million, two hundred one thousand, fifty-five".

Divisors: 1 5 1693 8465 236527 1182635 400440211 2002201055