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2100303312 = 243199219881
BaseRepresentation
bin111110100110000…
…0001010111010000
312102101002110111120
41331030001113100
513300134201222
6544224442240
7103022166162
oct17514012720
95371073446
102100303312
11988625a68
124a7479380
13276195c33
1415cd28932
15c45c715c
hex7d3015d0

2100303312 has 40 divisors (see below), whose sum is σ = 5453073600. Its totient is φ = 696579840.

The previous prime is 2100303307. The next prime is 2100303329. The reversal of 2100303312 is 2133030012.

It is a super-2 number, since 2×21003033122 = 8822548004796338688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2100303291 and 2100303300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100389 + ... + 119492.

It is an arithmetic number, because the mean of its divisors is an integer number (136326840).

Almost surely, 22100303312 is an apocalyptic number.

It is an amenable number.

2100303312 is an abundant number, since it is smaller than the sum of its proper divisors (3352770288).

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

2100303312 is a wasteful number, since it uses less digits than its factorization.

2100303312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220091 (or 220085 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 2100303312 is about 45829.0662353053. The cubic root of 2100303312 is about 1280.6408151985.

Adding to 2100303312 its reverse (2133030012), we get a palindrome (4233333324).

The spelling of 2100303312 in words is "two billion, one hundred million, three hundred three thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 199 398 597 796 1194 1592 2388 3184 4776 9552 219881 439762 659643 879524 1319286 1759048 2638572 3518096 5277144 10554288 43756319 87512638 131268957 175025276 262537914 350050552 525075828 700101104 1050151656 2100303312