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100211010209 = 712129662951
BaseRepresentation
bin101110101010100001…
…0101010101010100001
3100120122212200202211122
41131111002222222201
53120213004311314
6114011501422025
710145215350422
oct1352502525241
9316585622748
10100211010209
1139554559202
121750856a915
1395b045035b
144bc90ab649
152917a1b28e
hex17550aaaa1

100211010209 has 8 divisors (see below), whose sum is σ = 101670318720. Its totient is φ = 98753032000.

The previous prime is 100211010203. The next prime is 100211010217. The reversal of 100211010209 is 902010112001.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-100211010209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100211010203) 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 7 ways as a sum of consecutive naturals, for example, 180317 + ... + 482634.

It is an arithmetic number, because the mean of its divisors is an integer number (12708789840).

Almost surely, 2100211010209 is an apocalyptic number.

It is an amenable number.

100211010209 is a deficient number, since it is larger than the sum of its proper divisors (1459308511).

100211010209 is an equidigital number, since it uses as much as digits as its factorization.

100211010209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665151.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 100211010209 in words is "one hundred billion, two hundred eleven million, ten thousand, two hundred nine".

Divisors: 1 71 2129 151159 662951 47069521 1411422679 100211010209