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211305041112 = 233112939117057
BaseRepresentation
bin1100010011001011000…
…0110000110011011000
3202012102012201021110210
43010302300300303120
511430223042303422
6241023332211120
721160223133354
oct3046260606330
9665365637423
10211305041112
1181683206990
1234b51769aa0
1316c064bb009
14a3276b8464
15576abbb10c
hex3132c30cd8

211305041112 has 128 divisors (see below), whose sum is σ = 596395353600. Its totient is φ = 61799270400.

The previous prime is 211305041099. The next prime is 211305041113. The reversal of 211305041112 is 211140503112.

211305041112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211305041113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29939088 + ... + 29946144.

It is an arithmetic number, because the mean of its divisors is an integer number (4659338700).

Almost surely, 2211305041112 is an apocalyptic number.

211305041112 is a gapful number since it is divisible by the number (22) 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 211305041112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298197676800).

211305041112 is an abundant number, since it is smaller than the sum of its proper divisors (385090312488).

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

211305041112 is a wasteful number, since it uses less digits than its factorization.

211305041112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11017 (or 11013 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 211305041112 its reverse (211140503112), we get a palindrome (422445544224).

The spelling of 211305041112 in words is "two hundred eleven billion, three hundred five million, forty-one thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 11 12 22 24 29 33 44 58 66 87 88 116 132 174 232 264 319 348 638 696 957 1276 1914 2552 3828 3911 7057 7656 7822 11733 14114 15644 21171 23466 28228 31288 42342 43021 46932 56456 77627 84684 86042 93864 113419 129063 155254 169368 172084 204653 226838 232881 258126 310508 340257 344168 409306 453676 465762 516252 613959 621016 680514 818612 907352 931524 1032504 1227918 1247609 1361028 1637224 1863048 2251183 2455836 2495218 2722056 3742827 4502366 4911672 4990436 6753549 7485654 9004732 9980872 13507098 14971308 18009464 27014196 27599927 29942616 54028392 55199854 82799781 110399708 165599562 220799416 303599197 331199124 607198394 662398248 800397883 910797591 1214396788 1600795766 1821595182 2401193649 2428793576 3201591532 3643190364 4802387298 6403183064 7286380728 8804376713 9604774596 17608753426 19209549192 26413130139 35217506852 52826260278 70435013704 105652520556 211305041112