Search a number
-
+
310415021040 = 243517173439781
BaseRepresentation
bin1001000010001100010…
…11010101001111110000
31002200020100121220201010
410201012023111033300
520041212221133130
6354334103110520
731266242100225
oct4410613251760
91080210556633
10310415021040
1110a712206803
12501b1442440
132336c7b9757
141104a45994c
15811bbeb0b0
hex48462d53f0

310415021040 has 160 divisors (see below), whose sum is σ = 1024783534656. Its totient is φ = 77457571840.

The previous prime is 310415021039. The next prime is 310415021083. The reversal of 310415021040 is 40120514013.

It is a junction number, because it is equal to n+sod(n) for n = 310415020998 and 310415021016.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 485950 + ... + 925730.

Almost surely, 2310415021040 is an apocalyptic number.

310415021040 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 310415021040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (512391767328).

310415021040 is an abundant number, since it is smaller than the sum of its proper divisors (714368513616).

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

310415021040 is a wasteful number, since it uses less digits than its factorization.

310415021040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439987 (or 439981 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 310415021040 its reverse (40120514013), we get a palindrome (350535535053).

The spelling of 310415021040 in words is "three hundred ten billion, four hundred fifteen million, twenty-one thousand, forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 34 40 48 51 60 68 80 85 102 120 136 170 173 204 240 255 272 340 346 408 510 519 680 692 816 865 1020 1038 1360 1384 1730 2040 2076 2595 2768 2941 3460 4080 4152 5190 5882 6920 8304 8823 10380 11764 13840 14705 17646 20760 23528 29410 35292 41520 44115 47056 58820 70584 88230 117640 141168 176460 235280 352920 439781 705840 879562 1319343 1759124 2198905 2638686 3518248 4397810 5277372 6596715 7036496 7476277 8795620 10554744 13193430 14952554 17591240 21109488 22428831 26386860 29905108 35182480 37381385 44857662 52773720 59810216 74762770 76082113 89715324 105547440 112144155 119620432 149525540 152164226 179430648 224288310 228246339 299051080 304328452 358861296 380410565 448576620 456492678 598102160 608656904 760821130 897153240 912985356 1141231695 1217313808 1293395921 1521642260 1794306480 1825970712 2282463390 2586791842 3043284520 3651941424 3880187763 4564926780 5173583684 6086569040 6466979605 7760375526 9129853560 10347167368 12933959210 15520751052 18259707120 19400938815 20694334736 25867918420 31041502104 38801877630 51735836840 62083004208 77603755260 103471673680 155207510520 310415021040