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12326435780 = 2255319759029
BaseRepresentation
bin10110111101011011…
…00111101111000100
31011211001100211001112
423132231213233010
5200221031421110
65355050144152
7614313655361
oct133655475704
934731324045
1012326435780
115255a5170a
122480122058
13121598a1a9
1484d113468
154c2252405
hex2deb67bc4

12326435780 has 48 divisors (see below), whose sum is σ = 26508247920. Its totient is φ = 4812907008.

The previous prime is 12326435773. The next prime is 12326435851. The reversal of 12326435780 is 8753462321.

It can be written as a sum of positive squares in 8 ways, for example, as 346257664 + 11980178116 = 18608^2 + 109454^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179306 + ... + 238334.

It is an arithmetic number, because the mean of its divisors is an integer number (552255165).

Almost surely, 212326435780 is an apocalyptic number.

12326435780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12326435780 is an abundant number, since it is smaller than the sum of its proper divisors (14181812140).

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

12326435780 is a wasteful number, since it uses less digits than its factorization.

12326435780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59288 (or 59286 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The spelling of 12326435780 in words is "twelve billion, three hundred twenty-six million, four hundred thirty-five thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 20 53 106 197 212 265 394 530 788 985 1060 1970 3940 10441 20882 41764 52205 59029 104410 118058 208820 236116 295145 590290 1180580 3128537 6257074 11628713 12514148 15642685 23257426 31285370 46514852 58143565 62570740 116287130 232574260 616321789 1232643578 2465287156 3081608945 6163217890 12326435780