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2112033100 = 2252311374973
BaseRepresentation
bin111110111100011…
…0001000101001100
312110012011101202011
41331320301011030
513311140024400
6545324111004
7103223661622
oct17570610514
95405141664
102112033100
11994207801
124ab395464
13278741c38
141606dd512
15c56428ba
hex7de3114c

2112033100 has 72 divisors (see below), whose sum is σ = 4766444928. Its totient is φ = 811430400.

The previous prime is 2112033061. The next prime is 2112033127. The reversal of 2112033100 is 13302112.

It is a super-3 number, since 3×21120331003 (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 422214 + ... + 427186.

It is an arithmetic number, because the mean of its divisors is an integer number (66200624).

Almost surely, 22112033100 is an apocalyptic number.

2112033100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2112033100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2383222464).

2112033100 is an abundant number, since it is smaller than the sum of its proper divisors (2654411828).

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

2112033100 is a wasteful number, since it uses less digits than its factorization.

2112033100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5155 (or 5148 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2112033100 is about 45956.8612940440. The cubic root of 2112033100 is about 1283.0204345761.

Adding to 2112033100 its reverse (13302112), we get a palindrome (2125335212).

The spelling of 2112033100 in words is "two billion, one hundred twelve million, thirty-three thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 31 50 62 100 124 137 155 274 310 548 620 685 775 1370 1550 2740 3100 3425 4247 4973 6850 8494 9946 13700 16988 19892 21235 24865 42470 49730 84940 99460 106175 124325 154163 212350 248650 308326 424700 497300 616652 681301 770815 1362602 1541630 2725204 3083260 3406505 3854075 6813010 7708150 13626020 15416300 17032525 21120331 34065050 42240662 68130100 84481324 105601655 211203310 422406620 528008275 1056016550 2112033100