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2100300355 = 5420060071
BaseRepresentation
bin111110100110000…
…0000101001000011
312102101002022110001
41331030000221003
513300134102410
6544224420431
7103022154436
oct17514005103
95371068401
102100300355
1198862381a
124a7477717
1327619479a
1415cd2781d
15c45c633a
hex7d300a43

2100300355 has 4 divisors (see below), whose sum is σ = 2520360432. Its totient is φ = 1680240280.

The previous prime is 2100300347. The next prime is 2100300359. The reversal of 2100300355 is 5530030012.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2100300355 - 23 = 2100300347 is a prime.

It is a super-2 number, since 2×21003003552 = 8822523162426252050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2100300359) by changing a digit.

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, 210030031 + ... + 210030040.

It is an arithmetic number, because the mean of its divisors is an integer number (630090108).

Almost surely, 22100300355 is an apocalyptic number.

2100300355 is a deficient number, since it is larger than the sum of its proper divisors (420060077).

2100300355 is an equidigital number, since it uses as much as digits as its factorization.

2100300355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420060076.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 2100300355 is about 45829.0339741086. The cubic root of 2100300355 is about 1280.6402141969.

Adding to 2100300355 its reverse (5530030012), we get a palindrome (7630330367).

The spelling of 2100300355 in words is "two billion, one hundred million, three hundred thousand, three hundred fifty-five".

Divisors: 1 5 420060071 2100300355