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211202680224 = 25317136195087
BaseRepresentation
bin1100010010110010101…
…0010010010110100000
3202012011002002210201210
43010230222102112200
511430020341231344
6241005234230120
721154541106204
oct3045452222640
9665132083653
10211202680224
1181630452708
1234b23425340
1316bbb22ba43
14a317c70b04
155761bebdb9
hex312ca925a0

211202680224 has 96 divisors (see below), whose sum is σ = 587456706816. Its totient is φ = 66210283520.

The previous prime is 211202680223. The next prime is 211202680231. The reversal of 211202680224 is 422086202112.

It is a tau number, because it is divible by the number of its divisors (96).

It is a junction number, because it is equal to n+sod(n) for n = 211202680191 and 211202680200.

It is not an unprimeable number, because it can be changed into a prime (211202680223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2173609 + ... + 2268695.

It is an arithmetic number, because the mean of its divisors is an integer number (6119340696).

Almost surely, 2211202680224 is an apocalyptic number.

211202680224 is a gapful number since it is divisible by the number (24) 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 211202680224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (293728353408).

211202680224 is an abundant number, since it is smaller than the sum of its proper divisors (376254026592).

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

211202680224 is a wasteful number, since it uses less digits than its factorization.

211202680224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96478 (or 96470 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 30.

Adding to 211202680224 its reverse (422086202112), we get a palindrome (633288882336).

The spelling of 211202680224 in words is "two hundred eleven billion, two hundred two million, six hundred eighty thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 12 16 17 24 32 34 48 51 68 96 102 136 204 272 408 544 816 1361 1632 2722 4083 5444 8166 10888 16332 21776 23137 32664 43552 46274 65328 69411 92548 95087 130656 138822 185096 190174 277644 285261 370192 380348 555288 570522 740384 760696 1110576 1141044 1521392 1616479 2221152 2282088 3042784 3232958 4564176 4849437 6465916 9128352 9698874 12931832 19397748 25863664 38795496 51727328 77590992 129413407 155181984 258826814 388240221 517653628 776480442 1035307256 1552960884 2070614512 2200027919 3105921768 4141229024 4400055838 6211843536 6600083757 8800111676 12423687072 13200167514 17600223352 26400335028 35200446704 52800670056 70400893408 105601340112 211202680224