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21214054300 = 2252434933501
BaseRepresentation
bin10011110000011101…
…001100011110011100
32000202102222121122211
4103300131030132130
5321421244214200
613425014450204
71350463325545
oct236035143634
960672877584
1021214054300
118aa6864a8a
124140663964
13200108016a
1410536334cc
15842630aba
hex4f074c79c

21214054300 has 36 divisors (see below), whose sum is σ = 47105077096. Its totient is φ = 8288280000.

The previous prime is 21214054289. The next prime is 21214054321. The reversal of 21214054300 is 345041212.

It is a congruent number.

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, 2462451 + ... + 2471050.

Almost surely, 221214054300 is an apocalyptic number.

21214054300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21214054300 is an abundant number, since it is smaller than the sum of its proper divisors (25891022796).

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

21214054300 is a wasteful number, since it uses less digits than its factorization.

21214054300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4933558 (or 4933551 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 21214054300 its reverse (345041212), we get a palindrome (21559095512).

The spelling of 21214054300 in words is "twenty-one billion, two hundred fourteen million, fifty-four thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 43 50 86 100 172 215 430 860 1075 2150 4300 4933501 9867002 19734004 24667505 49335010 98670020 123337525 212140543 246675050 424281086 493350100 848562172 1060702715 2121405430 4242810860 5303513575 10607027150 21214054300