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10331305040 = 245724615717
BaseRepresentation
bin10011001111100101…
…10011010001010000
3222200000011200012102
421213302303101100
5132124303230130
64425055415532
7514006433600
oct114762632120
928600150172
1010331305040
114421830431
122003b245a8
13c88529264
14700164c00
15407002645
hex267cb3450

10331305040 has 120 divisors (see below), whose sum is σ = 28007473032. Its totient is φ = 3533859840.

The previous prime is 10331304989. The next prime is 10331305051. The reversal of 10331305040 is 4050313301.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 743761984 + 9587543056 = 27272^2 + 97916^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1804262 + ... + 1809978.

Almost surely, 210331305040 is an apocalyptic number.

10331305040 is a gapful number since it is divisible by the number (10) 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 10331305040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14003736516).

10331305040 is an abundant number, since it is smaller than the sum of its proper divisors (17676167992).

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

10331305040 is a wasteful number, since it uses less digits than its factorization.

10331305040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6205 (or 6192 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

Adding to 10331305040 its reverse (4050313301), we get a palindrome (14381618341).

The spelling of 10331305040 in words is "ten billion, three hundred thirty-one million, three hundred five thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 49 56 70 80 98 112 140 196 245 280 392 461 490 560 784 922 980 1844 1960 2305 3227 3688 3920 4610 5717 6454 7376 9220 11434 12908 16135 18440 22589 22868 25816 28585 32270 36880 40019 45178 45736 51632 57170 64540 80038 90356 91472 112945 114340 129080 160076 180712 200095 225890 228680 258160 280133 320152 361424 400190 451780 457360 560266 640304 800380 903560 1120532 1400665 1600760 1807120 2241064 2635537 2801330 3201520 4482128 5271074 5602660 10542148 11205320 13177685 18448759 21084296 22410640 26355370 36897518 42168592 52710740 73795036 92243795 105421480 129141313 147590072 184487590 210842960 258282626 295180144 368975180 516565252 645706565 737950360 1033130504 1291413130 1475900720 2066261008 2582826260 5165652520 10331305040