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2100230210 = 251356928393
BaseRepresentation
bin111110100101110…
…1111100001000010
312102100221202020002
41331023233201002
513300124331320
6544223120002
7103021443101
oct17513574102
95370852202
102100230210
11988586051
124a7443002
1327616b890
1415cd0a038
15c45b0675
hex7d2ef842

2100230210 has 32 divisors (see below), whose sum is σ = 4078514160. Its totient is φ = 774079488.

The previous prime is 2100230177. The next prime is 2100230261. The reversal of 2100230210 is 120320012.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 771117361 + 1329112849 = 27769^2 + 36457^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2100230191 and 2100230200.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 59774 + ... + 88166.

Almost surely, 22100230210 is an apocalyptic number.

2100230210 is a deficient number, since it is larger than the sum of its proper divisors (1978283950).

2100230210 is a wasteful number, since it uses less digits than its factorization.

2100230210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28982.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2100230210 is about 45828.2686777495. The cubic root of 2100230210 is about 1280.6259572665.

Adding to 2100230210 its reverse (120320012), we get a palindrome (2220550222).

The spelling of 2100230210 in words is "two billion, one hundred million, two hundred thirty thousand, two hundred ten".

Divisors: 1 2 5 10 13 26 65 130 569 1138 2845 5690 7397 14794 28393 36985 56786 73970 141965 283930 369109 738218 1845545 3691090 16155617 32311234 80778085 161556170 210023021 420046042 1050115105 2100230210