Search a number
-
+
201211132120 = 2355878569469
BaseRepresentation
bin1011101101100100011…
…1100011100011011000
3201020100202020120102121
42323121013203203120
511244040022211440
6232233552511024
720352125255305
oct2733107434330
9636322216377
10201211132120
1178373490739
1232bb524b474
1315c882105bb
149a4acac0ac
15537995d34a
hex2ed91e38d8

201211132120 has 32 divisors (see below), whose sum is σ = 453496352400. Its totient is φ = 80347331968.

The previous prime is 201211132117. The next prime is 201211132141. The reversal of 201211132120 is 21231112102.

It is a junction number, because it is equal to n+sod(n) for n = 201211132094 and 201211132103.

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, 4261255 + ... + 4308214.

Almost surely, 2201211132120 is an apocalyptic number.

201211132120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201211132120 is an abundant number, since it is smaller than the sum of its proper divisors (252285220280).

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

201211132120 is a wasteful number, since it uses less digits than its factorization.

201211132120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8570067 (or 8570063 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 201211132120 its reverse (21231112102), we get a palindrome (222442244222).

The spelling of 201211132120 in words is "two hundred one billion, two hundred eleven million, one hundred thirty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 587 1174 2348 2935 4696 5870 11740 23480 8569469 17138938 34277876 42847345 68555752 85694690 171389380 342778760 5030278303 10060556606 20121113212 25151391515 40242226424 50302783030 100605566060 201211132120