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2101133223 = 33722874861
BaseRepresentation
bin111110100111100…
…1011111110100111
312102102122121221000
41331033023332213
513300342230343
6544254324343
7103032223560
oct17517137647
95372577830
102101133223
11989042542
124a77b96b3
132763c68c7
1415d0a3167
15c46dced3
hex7d3cbfa7

2101133223 has 32 divisors (see below), whose sum is σ = 3559761920. Its totient is φ = 1199875680.

The previous prime is 2101133141. The next prime is 2101133249. The reversal of 2101133223 is 3223311012.

It is not a de Polignac number, because 2101133223 - 210 = 2101132199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101133196 and 2101133205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101133323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 429813 + ... + 434673.

It is an arithmetic number, because the mean of its divisors is an integer number (111242560).

Almost surely, 22101133223 is an apocalyptic number.

2101133223 is a deficient number, since it is larger than the sum of its proper divisors (1458628697).

2101133223 is a wasteful number, since it uses less digits than its factorization.

2101133223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7164 (or 7158 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2101133223 is about 45838.1197585590. The cubic root of 2101133223 is about 1280.8094698776.

Adding to 2101133223 its reverse (3223311012), we get a palindrome (5324444235).

The spelling of 2101133223 in words is "two billion, one hundred one million, one hundred thirty-three thousand, two hundred twenty-three".

Divisors: 1 3 7 9 21 27 63 189 2287 4861 6861 14583 16009 20583 34027 43749 48027 61749 102081 131247 144081 306243 432243 918729 11117107 33351321 77819749 100053963 233459247 300161889 700377741 2101133223