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211203241400 = 23522267465821
BaseRepresentation
bin1100010010110010110…
…0011011010110111000
3202012011010011022112002
43010230230123112320
511430021012211100
6241005254240132
721154545634244
oct3045454332670
9665133138462
10211203241400
11816307a6298
1234b23656048
1316bbb3972b8
14a317d79424
155761cad2d5
hex312cb1b5b8

211203241400 has 48 divisors (see below), whose sum is σ = 491265197640. Its totient is φ = 84443849600.

The previous prime is 211203241393. The next prime is 211203241433. The reversal of 211203241400 is 4142302112.

211203241400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 220490 + ... + 686310.

Almost surely, 2211203241400 is an apocalyptic number.

211203241400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211203241400 is an abundant number, since it is smaller than the sum of its proper divisors (280061956240).

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

211203241400 is a wasteful number, since it uses less digits than its factorization.

211203241400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468104 (or 468095 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 211203241400 its reverse (4142302112), we get a palindrome (215345543512).

The spelling of 211203241400 in words is "two hundred eleven billion, two hundred three million, two hundred forty-one thousand, four hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 2267 4534 9068 11335 18136 22670 45340 56675 90680 113350 226700 453400 465821 931642 1863284 2329105 3726568 4658210 9316420 11645525 18632840 23291050 46582100 93164200 1056016207 2112032414 4224064828 5280081035 8448129656 10560162070 21120324140 26400405175 42240648280 52800810350 105601620700 211203241400