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211213211313200 = 24523122937428401
BaseRepresentation
bin110000000001100011101000…
…011011101010010000110000
31000200211210012211222200001112
4300001203220123222100300
5210141004124044010300
62025114002035252452
762326436162666225
oct6001435033522060
91020753184880045
10211213211313200
1161332024518618
121b83265114a128
1390b1421abc595
143a22ab9ad194c
151964218960e35
hexc018e86ea430

211213211313200 has 120 divisors (see below), whose sum is σ = 524037272789376. Its totient is φ = 81724285440000.

The previous prime is 211213211313173. The next prime is 211213211313233. The reversal of 211213211313200 is 2313112312112.

It is a happy number.

It is a super-2 number, since 2×2112132113132002 (a number of 29 digits) contains 22 as substring.

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, 24719000 + ... + 32147400.

Almost surely, 2211213211313200 is an apocalyptic number.

211213211313200 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 211213211313200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (262018636394688).

211213211313200 is an abundant number, since it is smaller than the sum of its proper divisors (312824061476176).

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

211213211313200 is a wasteful number, since it uses less digits than its factorization.

211213211313200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7430743 (or 7430732 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 23.

Adding to 211213211313200 its reverse (2313112312112), we get a palindrome (213526323625312).

The spelling of 211213211313200 in words is "two hundred eleven trillion, two hundred thirteen billion, two hundred eleven million, three hundred thirteen thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 31 40 50 62 80 100 124 155 200 248 310 400 496 620 775 1240 1550 2293 2480 3100 4586 6200 9172 11465 12400 18344 22930 36688 45860 57325 71083 91720 114650 142166 183440 229300 284332 355415 458600 568664 710830 917200 1137328 1421660 1777075 2843320 3554150 5686640 7108300 7428401 14216600 14856802 28433200 29713604 37142005 59427208 74284010 118854416 148568020 185710025 230280431 297136040 371420050 460560862 594272080 742840100 921121724 1151402155 1485680200 1842243448 2302804310 2971360400 3684486896 4605608620 5757010775 9211217240 11514021550 17033323493 18422434480 23028043100 34066646986 46056086200 68133293972 85166617465 92112172400 136266587944 170333234930 272533175888 340666469860 425833087325 528033028283 681332939720 851666174650 1056066056566 1362665879440 1703332349300 2112132113132 2640165141415 3406664698600 4224264226264 5280330282830 6813329397200 8448528452528 10560660565660 13200825707075 21121321131320 26401651414150 42242642262640 52803302828300 105606605656600 211213211313200