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2102030310 = 235373735077
BaseRepresentation
bin111110101001010…
…0110111111100110
312102111100012111110
41331102212333212
513301104432220
6544325445450
7103042651152
oct17522467746
95374305443
102102030310
119895a5536
124a7b70886
1327664c023
1415d258062
15c4818be0
hex7d4a6fe6

2102030310 has 64 divisors (see below), whose sum is σ = 5196134592. Its totient is φ = 543822336.

The previous prime is 2102030267. The next prime is 2102030311. The reversal of 2102030310 is 130302012.

It is a happy number.

It is a super-2 number, since 2×21020303102 = 8837062848317392200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102030311) 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, 411492 + ... + 416568.

It is an arithmetic number, because the mean of its divisors is an integer number (81189603).

Almost surely, 22102030310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2102030310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2598067296).

2102030310 is an abundant number, since it is smaller than the sum of its proper divisors (3094104282).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2102030310 is a wasteful number, since it uses less digits than its factorization.

2102030310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5497.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 2102030310 is about 45847.9040960435. The cubic root of 2102030310 is about 1280.9917261363.

Adding to 2102030310 its reverse (130302012), we get a palindrome (2232332322).

The spelling of 2102030310 in words is "two billion, one hundred two million, thirty thousand, three hundred ten".

Divisors: 1 2 3 5 6 10 15 30 37 74 111 185 222 370 373 555 746 1110 1119 1865 2238 3730 5077 5595 10154 11190 13801 15231 25385 27602 30462 41403 50770 69005 76155 82806 138010 152310 187849 207015 375698 414030 563547 939245 1127094 1878490 1893721 2817735 3787442 5635470 5681163 9468605 11362326 18937210 28405815 56811630 70067677 140135354 210203031 350338385 420406062 700676770 1051015155 2102030310