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421244000212 = 227175323371663
BaseRepresentation
bin1100010000101000001…
…10010101011111010100
31111021022012220101201111
412020110012111133110
523400201431001322
6521303344504404
742301550631460
oct6102406253724
91437265811644
10421244000212
11152715290172
126978191b104
1330952974979
141656178d4a0
15ae56992177
hex62141957d4

421244000212 has 96 divisors (see below), whose sum is σ = 912790674432. Its totient is φ = 165989830656.

The previous prime is 421244000183. The next prime is 421244000227. The reversal of 421244000212 is 212000442124.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5842293 + ... + 5913955.

It is an arithmetic number, because the mean of its divisors is an integer number (9508236192).

Almost surely, 2421244000212 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 421244000212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (456395337216).

421244000212 is an abundant number, since it is smaller than the sum of its proper divisors (491546674220).

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

421244000212 is a wasteful number, since it uses less digits than its factorization.

421244000212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71977 (or 71975 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 421244000212 its reverse (212000442124), we get a palindrome (633244442336).

The spelling of 421244000212 in words is "four hundred twenty-one billion, two hundred forty-four million, two hundred twelve", and thus it is an aban number.

Divisors: 1 2 4 7 14 17 28 34 53 68 106 119 212 233 238 371 466 476 742 901 932 1484 1631 1802 3262 3604 3961 6307 6524 7922 12349 12614 15844 24698 25228 27727 49396 55454 71663 86443 110908 143326 172886 209933 286652 345772 419866 501641 839732 1003282 1218271 1469531 2006564 2436542 2939062 3798139 4873084 5878124 7596278 8527897 15192556 16697479 17055794 26586973 33394958 34111588 53173946 64568363 66789916 106347892 116882353 129136726 233764706 258273452 283857143 451978541 467529412 567714286 884966387 903957082 1135428572 1769932774 1807914164 1987000001 3539865548 3974000002 6194764709 7948000004 12389529418 15044428579 24779058836 30088857158 60177714316 105311000053 210622000106 421244000212