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2011231130200 = 235218157197301
BaseRepresentation
bin11101010001000110101…
…101111001001001011000
321010021100011012101020021
4131101012231321021120
5230423000132131300
64135540303040224
7265210116351625
oct35210655711130
97107304171207
102011231130200
11705a5a5a4176
122859592a0074
13117873325546
146d4b632734c
15374b3ec4d1a
hex1d446b79258

2011231130200 has 96 divisors (see below), whose sum is σ = 4710230244720. Its totient is φ = 798638400000.

The previous prime is 2011231130149. The next prime is 2011231130257. The reversal of 2011231130200 is 20311321102.

It is a congruent number.

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, 20621550 + ... + 20718850.

Almost surely, 22011231130200 is an apocalyptic number.

2011231130200 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 2011231130200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2355115122360).

2011231130200 is an abundant number, since it is smaller than the sum of its proper divisors (2698999114520).

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

2011231130200 is a wasteful number, since it uses less digits than its factorization.

2011231130200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98069 (or 98060 counting only the distinct ones).

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

Adding to 2011231130200 its reverse (20311321102), we get a palindrome (2031542451302).

The spelling of 2011231130200 in words is "two trillion, eleven billion, two hundred thirty-one million, one hundred thirty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 181 200 362 571 724 905 1142 1448 1810 2284 2855 3620 4525 4568 5710 7240 9050 11420 14275 18100 22840 28550 36200 57100 97301 103351 114200 194602 206702 389204 413404 486505 516755 778408 826808 973010 1033510 1946020 2067020 2432525 2583775 3892040 4134040 4865050 5167550 9730100 10335100 17611481 19460200 20670200 35222962 55558871 70445924 88057405 111117742 140891848 176114810 222235484 277794355 352229620 440287025 444470968 555588710 704459240 880574050 1111177420 1388971775 1761148100 2222354840 2777943550 3522296200 5555887100 10056155651 11111774200 20112311302 40224622604 50280778255 80449245208 100561556510 201123113020 251403891275 402246226040 502807782550 1005615565100 2011231130200