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210231000228 = 223591201247241
BaseRepresentation
bin1100001111001010111…
…1100111110010100100
3202002122100201100100210
43003302233213302210
511421023114001403
6240325003535420
721121502006004
oct3036257476244
9662570640323
10210231000228
1181181a12097
12348b1b2a570
1316a94b28c72
14a264bb6004
155706761b03
hex30f2be7ca4

210231000228 has 48 divisors (see below), whose sum is σ = 499270605120. Its totient is φ = 68831616000.

The previous prime is 210231000209. The next prime is 210231000229. The reversal of 210231000228 is 822000132012.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (210231000229) 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, 726688 + ... + 973928.

It is an arithmetic number, because the mean of its divisors is an integer number (10401470940).

Almost surely, 2210231000228 is an apocalyptic number.

It is an amenable number.

210231000228 is an abundant number, since it is smaller than the sum of its proper divisors (289039604892).

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

210231000228 is a wasteful number, since it uses less digits than its factorization.

210231000228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248508 (or 248506 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The spelling of 210231000228 in words is "two hundred ten billion, two hundred thirty-one million, two hundred twenty-eight", and thus it is an aban number.

Divisors: 1 2 3 4 6 12 59 118 177 236 354 708 1201 2402 3603 4804 7206 14412 70859 141718 212577 247241 283436 425154 494482 741723 850308 988964 1483446 2966892 14587219 29174438 43761657 58348876 87523314 175046628 296936441 593872882 890809323 1187745764 1781618646 3563237292 17519250019 35038500038 52557750057 70077000076 105115500114 210231000228