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344131013003220 = 223251939905901353
BaseRepresentation
bin100111000111111000011111…
…0110010010100011111010100
31200010110121021222122102220100
41032033300332302110133110
5330101220303312100340
63215523334353534100
7132325434210643362
oct11617607662243724
91603417258572810
10344131013003220
119a7181633aa633
123271aa8bb74330
1311a035524b0501
1460da05c090632
1529bb986298830
hex138fc3ec947d4

344131013003220 has 72 divisors (see below), whose sum is σ = 1049272695021096. Its totient is φ = 91292786860032.

The previous prime is 344131013003213. The next prime is 344131013003221. The reversal of 344131013003220 is 22300310131443.

It is a happy number.

344131013003220 is a `hidden beast` number, since 3 + 4 + 4 + 1 + 31 + 0 + 1 + 300 + 322 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 62138725027344 + 281992287975876 = 7882812^2 + 16792626^2 .

It is a super-2 number, since 2×3441310130032202 (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344131013003221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4952915937 + ... + 4952985416.

It is an arithmetic number, because the mean of its divisors is an integer number (14573231875293).

Almost surely, 2344131013003220 is an apocalyptic number.

344131013003220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

344131013003220 is an abundant number, since it is smaller than the sum of its proper divisors (705141682017876).

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

344131013003220 is a wasteful number, since it uses less digits than its factorization.

344131013003220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9905901561 (or 9905901556 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 344131013003220 its reverse (22300310131443), we get a palindrome (366431323134663).

The spelling of 344131013003220 in words is "three hundred forty-four trillion, one hundred thirty-one billion, thirteen million, three thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 30 36 45 60 90 180 193 386 579 772 965 1158 1737 1930 2316 2895 3474 3860 5790 6948 8685 11580 17370 34740 9905901353 19811802706 29717704059 39623605412 49529506765 59435408118 89153112177 99059013530 118870816236 148588520295 178306224354 198118027060 297177040590 356612448708 445765560885 594354081180 891531121770 1783062243540 1911838961129 3823677922258 5735516883387 7647355844516 9559194805645 11471033766774 17206550650161 19118389611290 22942067533548 28677584416935 34413101300322 38236779222580 57355168833870 68826202600644 86032753250805 114710337667740 172065506501610 344131013003220