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223321630480 = 245131913112249
BaseRepresentation
bin1100111111111100000…
…0011010011100010000
3210100102200001021011021
43033333000122130100
512124330314133410
6250331553325224
722064055352534
oct3177700323420
9710380037137
10223321630480
118678a269383
1237345b66814
131809cc10720
14ab475b3bc4
155c20b16eda
hex33ff01a710

223321630480 has 80 divisors (see below), whose sum is σ = 559460286000. Its totient is φ = 82413379584.

The previous prime is 223321630463. The next prime is 223321630489. The reversal of 223321630480 is 84036123322.

223321630480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 8856315664 + 214465314816 = 94108^2 + 463104^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (223321630489) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1933396 + ... + 2045644.

It is an arithmetic number, because the mean of its divisors is an integer number (6993253575).

Almost surely, 2223321630480 is an apocalyptic number.

223321630480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 223321630480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279730143000).

223321630480 is an abundant number, since it is smaller than the sum of its proper divisors (336138655520).

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

223321630480 is a wasteful number, since it uses less digits than its factorization.

223321630480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114188 (or 114182 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 34.

The spelling of 223321630480 in words is "two hundred twenty-three billion, three hundred twenty-one million, six hundred thirty thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 13 16 20 26 40 52 65 80 104 130 208 260 520 1040 1913 3826 7652 9565 15304 19130 24869 30608 38260 49738 76520 99476 112249 124345 153040 198952 224498 248690 397904 448996 497380 561245 897992 994760 1122490 1459237 1795984 1989520 2244980 2918474 4489960 5836948 7296185 8979920 11673896 14592370 23347792 29184740 58369480 116738960 214732337 429464674 858929348 1073661685 1717858696 2147323370 2791520381 3435717392 4294646740 5583040762 8589293480 11166081524 13957601905 17178586960 22332163048 27915203810 44664326096 55830407620 111660815240 223321630480