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344023242240 = 293544794693
BaseRepresentation
bin1010000000110010110…
…00100001011000000000
31012212222120102110001110
411000121120201120000
521114024422222430
6422013032003320
733566134211346
oct5003130413000
91185876373043
10344023242240
11122999173827
1256810830540
132659757c982
1412917b93996
158e374ac7b0
hex5019621600

344023242240 has 80 divisors (see below), whose sum is σ = 1099799327088. Its totient is φ = 91739529216.

The previous prime is 344023242239. The next prime is 344023242247. The reversal of 344023242240 is 42242320443.

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

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

It is a junction number, because it is equal to n+sod(n) for n = 344023242198 and 344023242207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344023242247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22389667 + ... + 22405026.

Almost surely, 2344023242240 is an apocalyptic number.

344023242240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

344023242240 is an abundant number, since it is smaller than the sum of its proper divisors (755776084848).

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

344023242240 is an equidigital number, since it uses as much as digits as its factorization.

344023242240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44794719 (or 44794703 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 30.

Adding to 344023242240 its reverse (42242320443), we get a palindrome (386265562683).

The spelling of 344023242240 in words is "three hundred forty-four billion, twenty-three million, two hundred forty-two thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 256 320 384 480 512 640 768 960 1280 1536 1920 2560 3840 7680 44794693 89589386 134384079 179178772 223973465 268768158 358357544 447946930 537536316 671920395 716715088 895893860 1075072632 1343840790 1433430176 1791787720 2150145264 2687681580 2866860352 3583575440 4300290528 5375363160 5733720704 7167150880 8600581056 10750726320 11467441408 14334301760 17201162112 21501452640 22934882816 28668603520 34402324224 43002905280 57337207040 68804648448 86005810560 114674414080 172011621120 344023242240