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2021011111196 = 2271113274944781
BaseRepresentation
bin11101011010001101101…
…001100011110100011100
321011012120201221220000122
4131122031221203310130
5231103012321024241
64144234550014112
7266004353001020
oct35321551436434
97135521856018
102021011111196
1170a1190a26a0
12287828647338
1311877156974c
146db63176380
15378878c204b
hex1d68da63d1c

2021011111196 has 48 divisors (see below), whose sum is σ = 4412802573312. Its totient is φ = 786813393600.

The previous prime is 2021011111183. The next prime is 2021011111213. The reversal of 2021011111196 is 6911111101202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2063675 + ... + 2881106.

It is an arithmetic number, because the mean of its divisors is an integer number (91933386944).

Almost surely, 22021011111196 is an apocalyptic number.

It is an amenable number.

2021011111196 is an abundant number, since it is smaller than the sum of its proper divisors (2391791462116).

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

2021011111196 is a wasteful number, since it uses less digits than its factorization.

2021011111196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4946130 (or 4946128 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 26.

Adding to 2021011111196 its reverse (6911111101202), we get a palindrome (8932122212398).

The spelling of 2021011111196 in words is "two trillion, twenty-one billion, eleven million, one hundred eleven thousand, one hundred ninety-six".

Divisors: 1 2 4 7 11 14 22 28 44 77 154 308 1327 2654 5308 9289 14597 18578 29194 37156 58388 102179 204358 408716 4944781 9889562 19779124 34613467 54392591 69226934 108785182 138453868 217570364 380748137 761496274 1522992548 6561724387 13123448774 26246897548 45932070709 72178968257 91864141418 144357936514 183728282836 288715873028 505252777799 1010505555598 2021011111196