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2101233112 = 2311109439499
BaseRepresentation
bin111110100111110…
…0100010111011000
312102102211200221121
41331033210113120
513300403424422
6544300415024
7103033121026
oct17517442730
95372750847
102101233112
119891005a0
124a7847474
13276430204
1415d0cb716
15c470c8c7
hex7d3e45d8

2101233112 has 64 divisors (see below), whose sum is σ = 4356000000. Its totient is φ = 942295680.

The previous prime is 2101233097. The next prime is 2101233119. The reversal of 2101233112 is 2113321012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101233119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4210639 + ... + 4211137.

It is an arithmetic number, because the mean of its divisors is an integer number (68062500).

Almost surely, 22101233112 is an apocalyptic number.

2101233112 is a gapful number since it is divisible by the number (22) 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 2101233112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2178000000).

2101233112 is an abundant number, since it is smaller than the sum of its proper divisors (2254766888).

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

2101233112 is a wasteful number, since it uses less digits than its factorization.

2101233112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064 (or 1060 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2101233112 is about 45839.2093300048. The cubic root of 2101233112 is about 1280.8297663456.

Adding to 2101233112 its reverse (2113321012), we get a palindrome (4214554124).

The spelling of 2101233112 in words is "two billion, one hundred one million, two hundred thirty-three thousand, one hundred twelve".

Divisors: 1 2 4 8 11 22 44 88 109 218 436 439 499 872 878 998 1199 1756 1996 2398 3512 3992 4796 4829 5489 9592 9658 10978 19316 21956 38632 43912 47851 54391 95702 108782 191404 217564 219061 382808 435128 438122 526361 598301 876244 1052722 1196602 1752488 2105444 2393204 2409671 4210888 4786408 4819342 9638684 19277368 23877649 47755298 95510596 191021192 262654139 525308278 1050616556 2101233112