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2102270653 = 7801137489
BaseRepresentation
bin111110101001110…
…0001101010111101
312102111210102012001
41331103201222331
513301140130103
6544334542301
7103045001650
oct17523415275
95374712161
102102270653
1198974a06a
124a8067991
13276704542
1415d2bb897
15c486501d
hex7d4e1abd

2102270653 has 8 divisors (see below), whose sum is σ = 2402959040. Its totient is φ = 1801673280.

The previous prime is 2102270641. The next prime is 2102270689. The reversal of 2102270653 is 3560722012.

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 2102270653 - 29 = 2102270141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102270953) by changing a digit.

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, 37333 + ... + 74821.

It is an arithmetic number, because the mean of its divisors is an integer number (300369880).

Almost surely, 22102270653 is an apocalyptic number.

It is an amenable number.

2102270653 is a deficient number, since it is larger than the sum of its proper divisors (300688387).

2102270653 is an equidigital number, since it uses as much as digits as its factorization.

2102270653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45507.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 2102270653 is about 45850.5251114968. The cubic root of 2102270653 is about 1281.0405465013.

Adding to 2102270653 its reverse (3560722012), we get a palindrome (5662992665).

The spelling of 2102270653 in words is "two billion, one hundred two million, two hundred seventy thousand, six hundred fifty-three".

Divisors: 1 7 8011 37489 56077 262423 300324379 2102270653