Search a number
-
+
2100112222112 = 253110337204803
BaseRepresentation
bin11110100011111000011…
…100010110011110100000
321102202202102122200000022
4132203320130112132200
5233402012212101422
64244440033213012
7304504511231522
oct36437034263640
97382672580008
102100112222112
1173a71a666033
1229b023401168
131230693a6718
14739087a3a12
1539966ed3342
hex1e8f87167a0

2100112222112 has 48 divisors (see below), whose sum is σ = 4268403724032. Its totient is φ = 1016080066560.

The previous prime is 2100112222097. The next prime is 2100112222147. The reversal of 2100112222112 is 2112222110012.

It is a super-3 number, since 3×21001122221123 (a number of 38 digits) contains 333 as substring.

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, 10151903 + ... + 10356705.

It is an arithmetic number, because the mean of its divisors is an integer number (88925077584).

Almost surely, 22100112222112 is an apocalyptic number.

It is an amenable number.

2100112222112 is an abundant number, since it is smaller than the sum of its proper divisors (2168291501920).

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

2100112222112 is a wasteful number, since it uses less digits than its factorization.

2100112222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215181 (or 215173 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 2100112222112 its reverse (2112222110012), we get a palindrome (4212334332124).

The spelling of 2100112222112 in words is "two trillion, one hundred billion, one hundred twelve million, two hundred twenty-two thousand, one hundred twelve".

Divisors: 1 2 4 8 16 31 32 62 124 248 496 992 10337 20674 41348 82696 165392 204803 320447 330784 409606 640894 819212 1281788 1638424 2563576 3276848 5127152 6348893 6553696 10254304 12697786 25395572 50791144 101582288 203164576 2117048611 4234097222 8468194444 16936388888 33872777776 65628506941 67745555552 131257013882 262514027764 525028055528 1050056111056 2100112222112