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214210510400 = 2652269497701
BaseRepresentation
bin1100011101111111110…
…0001111111001000000
3202110220200212102001102
43013133330033321000
512002200342313100
6242223522353532
721322223203325
oct3073774177100
9673820772042
10214210510400
1182934280a77
12356227bb8a8
131727a425303
14a521514b4c
15588acdacd5
hex31dff0fe40

214210510400 has 84 divisors (see below), whose sum is σ = 529052248980. Its totient is φ = 85365504000.

The previous prime is 214210510343. The next prime is 214210510433. The reversal of 214210510400 is 4015012412.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 515108416 + 213695401984 = 22696^2 + 462272^2 .

It is a super-2 number, since 2×2142105104002 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 181550 + ... + 679250.

Almost surely, 2214210510400 is an apocalyptic number.

214210510400 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 214210510400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264526124490).

214210510400 is an abundant number, since it is smaller than the sum of its proper divisors (314841738580).

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

214210510400 is a wasteful number, since it uses less digits than its factorization.

214210510400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497992 (or 497977 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 214210510400 its reverse (4015012412), we get a palindrome (218225522812).

The spelling of 214210510400 in words is "two hundred fourteen billion, two hundred ten million, five hundred ten thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 160 200 269 320 400 538 800 1076 1345 1600 2152 2690 4304 5380 6725 8608 10760 13450 17216 21520 26900 43040 53800 86080 107600 215200 430400 497701 995402 1990804 2488505 3981608 4977010 7963216 9954020 12442525 15926432 19908040 24885050 31852864 39816080 49770100 79632160 99540200 133881569 159264320 199080400 267763138 398160800 535526276 669407845 796321600 1071052552 1338815690 2142105104 2677631380 3347039225 4284210208 5355262760 6694078450 8568420416 10710525520 13388156900 21421051040 26776313800 42842102080 53552627600 107105255200 214210510400