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2130222044 = 22799769497
BaseRepresentation
bin111111011111000…
…1001101111011100
312111110101111021202
41332332021233130
513330314101134
6551214015032
7103534405616
oct17676115734
95443344252
102130222044
119a3500395
124b54a7478
1327c43cc22
14162cb5db6
15c7036d7e
hex7ef89bdc

2130222044 has 24 divisors (see below), whose sum is σ = 3814050240. Its totient is φ = 1040772096.

The previous prime is 2130222041. The next prime is 2130222067. The reversal of 2130222044 is 4402220312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130222041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4097 + ... + 65400.

It is an arithmetic number, because the mean of its divisors is an integer number (158918760).

Almost surely, 22130222044 is an apocalyptic number.

It is an amenable number.

2130222044 is a deficient number, since it is larger than the sum of its proper divisors (1683828196).

2130222044 is a wasteful number, since it uses less digits than its factorization.

2130222044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69677 (or 69675 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2130222044 is about 46154.3285510688. The cubic root of 2130222044 is about 1286.6930589889.

Adding to 2130222044 its reverse (4402220312), we get a palindrome (6532442356).

The spelling of 2130222044 in words is "two billion, one hundred thirty million, two hundred twenty-two thousand, forty-four".

Divisors: 1 2 4 79 97 158 194 316 388 7663 15326 30652 69497 138994 277988 5490263 6741209 10980526 13482418 21961052 26964836 532555511 1065111022 2130222044