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2100113130312 = 2332101328793917
BaseRepresentation
bin11110100011111000011…
…111110100001101001000
321102202202111100210211100
4132203320133310031020
5233402012430132222
64244440104501400
7304504522033401
oct36437037641510
97382674323740
102100113130312
1173a72012640a
1229b02377a860
13123069633c12
147390895c9a8
15399671124ac
hex1e8f87f4348

2100113130312 has 48 divisors (see below), whose sum is σ = 5693421406140. Its totient is φ = 699346631808.

The previous prime is 2100113130299. The next prime is 2100113130317. The reversal of 2100113130312 is 2130313110012.

2100113130312 is a `hidden beast` number, since 210 + 0 + 1 + 13 + 130 + 312 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2056166716356 + 43946413956 = 1433934^2 + 209634^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2100113130317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14324023 + ... + 14469894.

Almost surely, 22100113130312 is an apocalyptic number.

It is an amenable number.

2100113130312 is an abundant number, since it is smaller than the sum of its proper divisors (3593308275828).

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

2100113130312 is a wasteful number, since it uses less digits than its factorization.

2100113130312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28794942 (or 28794935 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 2100113130312 its reverse (2130313110012), we get a palindrome (4230426240324).

The spelling of 2100113130312 in words is "two trillion, one hundred billion, one hundred thirteen million, one hundred thirty thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 1013 2026 3039 4052 6078 8104 9117 12156 18234 24312 36468 72936 28793917 57587834 86381751 115175668 172763502 230351336 259145253 345527004 518290506 691054008 1036581012 2073162024 29168237921 58336475842 87504713763 116672951684 175009427526 233345903368 262514141289 350018855052 525028282578 700037710104 1050056565156 2100113130312