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3144240120 = 233576161363
BaseRepresentation
bin1011101101101001…
…0100101111111000
322010010102221120210
42323122110233320
522414411140440
61235555551120
7140626412550
oct27332245770
98103387523
103144240120
11137392915a
12738bbb4a0
133b1547818
1421b832160
15136086a80
hexbb694bf8

3144240120 has 128 divisors (see below), whose sum is σ = 10957155840. Its totient is φ = 706890240.

The previous prime is 3144240089. The next prime is 3144240133. The reversal of 3144240120 is 210424413.

It is a super-2 number, since 2×31442401202 = 19772491864435228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 20559 + ... + 81921.

It is an arithmetic number, because the mean of its divisors is an integer number (85602780).

Almost surely, 23144240120 is an apocalyptic number.

3144240120 is a gapful number since it is divisible by the number (30) 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 3144240120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5478577920).

3144240120 is an abundant number, since it is smaller than the sum of its proper divisors (7812915720).

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

3144240120 is a wasteful number, since it uses less digits than its factorization.

3144240120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61445 (or 61441 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 3144240120 is about 56073.5242338129. The cubic root of 3144240120 is about 1465.0031831014.

Adding to 3144240120 its reverse (210424413), we get a palindrome (3354664533).

The spelling of 3144240120 in words is "three billion, one hundred forty-four million, two hundred forty thousand, one hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 61 70 84 105 120 122 140 168 183 210 244 280 305 366 420 427 488 610 732 840 854 915 1220 1281 1464 1708 1830 2135 2440 2562 3416 3660 4270 5124 6405 7320 8540 10248 12810 17080 25620 51240 61363 122726 184089 245452 306815 368178 429541 490904 613630 736356 859082 920445 1227260 1288623 1472712 1718164 1840890 2147705 2454520 2577246 3436328 3681780 3743143 4295410 5154492 6443115 7363560 7486286 8590820 10308984 11229429 12886230 14972572 17181640 18715715 22458858 25772460 26202001 29945144 37431430 44917716 51544920 52404002 56147145 74862860 78606003 89835432 104808004 112294290 131010005 149725720 157212006 209616008 224588580 262020010 314424012 393030015 449177160 524040020 628848024 786060030 1048080040 1572120060 3144240120