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2100100202 = 21761767653
BaseRepresentation
bin111110100101100…
…1111110001101010
312102100201010212222
41331023033301222
513300111201302
6544220234042
7103020362054
oct17513176152
95370633788
102100100202
119884a7402
124a739b922
13276124655
1415ccb48d4
15c4586da2
hex7d2cfc6a

2100100202 has 8 divisors (see below), whose sum is σ = 3335453316. Its totient is φ = 988282432.

The previous prime is 2100100181. The next prime is 2100100217. The reversal of 2100100202 is 2020010012.

It can be written as a sum of positive squares in 2 ways, for example, as 2012509321 + 87590881 = 44861^2 + 9359^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2100100202.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 30883793 + ... + 30883860.

Almost surely, 22100100202 is an apocalyptic number.

2100100202 is a deficient number, since it is larger than the sum of its proper divisors (1235353114).

2100100202 is a wasteful number, since it uses less digits than its factorization.

2100100202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61767672.

The product of its (nonzero) digits is 8, while the sum is 8.

The square root of 2100100202 is about 45826.8502299689. The cubic root of 2100100202 is about 1280.5995323768.

Adding to 2100100202 its reverse (2020010012), we get a palindrome (4120110214).

The spelling of 2100100202 in words is "two billion, one hundred million, one hundred thousand, two hundred two".

Divisors: 1 2 17 34 61767653 123535306 1050050101 2100100202