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13423443330 = 2351146787103
BaseRepresentation
bin11001000000001100…
…10111110110000010
31021122111120120111210
430200012113312002
5204442400141310
610055554550550
7653434246203
oct144006276602
937574516453
1013423443330
115769202720
122727598456
13135c030a9b
14914ab35aa
155386e6820
hex320197d82

13423443330 has 64 divisors (see below), whose sum is σ = 35220676608. Its totient is φ = 3247162560.

The previous prime is 13423443307. The next prime is 13423443347. The reversal of 13423443330 is 3334432431.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110559 + ... + 197661.

It is an arithmetic number, because the mean of its divisors is an integer number (550323072).

Almost surely, 213423443330 is an apocalyptic number.

13423443330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13423443330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17610338304).

13423443330 is an abundant number, since it is smaller than the sum of its proper divisors (21797233278).

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

13423443330 is a wasteful number, since it uses less digits than its factorization.

13423443330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87591.

The product of its (nonzero) digits is 31104, while the sum is 30.

Adding to 13423443330 its reverse (3334432431), we get a palindrome (16757875761).

The spelling of 13423443330 in words is "thirteen billion, four hundred twenty-three million, four hundred forty-three thousand, three hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 165 330 467 934 1401 2335 2802 4670 5137 7005 10274 14010 15411 25685 30822 51370 77055 87103 154110 174206 261309 435515 522618 871030 958133 1306545 1916266 2613090 2874399 4790665 5748798 9581330 14371995 28743990 40677101 81354202 122031303 203385505 244062606 406771010 447448111 610156515 894896222 1220313030 1342344333 2237240555 2684688666 4474481110 6711721665 13423443330