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2101223113 = 11672851049
BaseRepresentation
bin111110100111110…
…0001111011001001
312102102211012020021
41331033201323021
513300403114423
6544300300441
7103033046623
oct17517417311
95372735207
102101223113
119890a4030
124a7841721
132764287b2
1415d0c7c13
15c470995d
hex7d3e1ec9

2101223113 has 8 divisors (see below), whose sum is σ = 2326456800. Its totient is φ = 1881691680.

The previous prime is 2101223099. The next prime is 2101223123. The reversal of 2101223113 is 3113221012.

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

It is not a de Polignac number, because 2101223113 - 29 = 2101222601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101223123) 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, 1424788 + ... + 1426261.

It is an arithmetic number, because the mean of its divisors is an integer number (290807100).

Almost surely, 22101223113 is an apocalyptic number.

It is an amenable number.

2101223113 is a deficient number, since it is larger than the sum of its proper divisors (225233687).

2101223113 is a wasteful number, since it uses less digits than its factorization.

2101223113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851127.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2101223113 is about 45839.1002638577. The cubic root of 2101223113 is about 1280.8277346755.

Adding to 2101223113 its reverse (3113221012), we get a palindrome (5214444125).

The spelling of 2101223113 in words is "two billion, one hundred one million, two hundred twenty-three thousand, one hundred thirteen".

Divisors: 1 11 67 737 2851049 31361539 191020283 2101223113