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213430302330 = 23574124788653
BaseRepresentation
bin1100011011000101101…
…1111111011001111010
3202101220022202201210020
43012301123333121322
511444101124133310
6242014252031310
721264000431250
oct3066133773172
9671808681706
10213430302330
1182573929113
1235445462536
13171848b1c2b
14a489a5c5d0
155842573170
hex31b16ff67a

213430302330 has 64 divisors (see below), whose sum is σ = 599687117568. Its totient is φ = 47594211840.

The previous prime is 213430302311. The next prime is 213430302331. The reversal of 213430302330 is 33203034312.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 213430302330.

It is not an unprimeable number, because it can be changed into a prime (213430302331) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12385717 + ... + 12402936.

It is an arithmetic number, because the mean of its divisors is an integer number (9370111212).

Almost surely, 2213430302330 is an apocalyptic number.

213430302330 is an abundant number, since it is smaller than the sum of its proper divisors (386256815238).

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

213430302330 is a wasteful number, since it uses less digits than its factorization.

213430302330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24788711.

The product of its (nonzero) digits is 3888, while the sum is 24.

Adding to 213430302330 its reverse (33203034312), we get a palindrome (246633336642).

The spelling of 213430302330 in words is "two hundred thirteen billion, four hundred thirty million, three hundred two thousand, three hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 41 42 70 82 105 123 205 210 246 287 410 574 615 861 1230 1435 1722 2870 4305 8610 24788653 49577306 74365959 123943265 148731918 173520571 247886530 347041142 371829795 520561713 743659590 867602855 1016334773 1041123426 1735205710 2032669546 2602808565 3049004319 5081673865 5205617130 6098008638 7114343411 10163347730 14228686822 15245021595 21343030233 30490043190 35571717055 42686060466 71143434110 106715151165 213430302330