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10640293680 = 24353112711261
BaseRepresentation
bin10011110100011010…
…11111111100110000
31000110112120220221010
421322031133330300
5133242403344210
64515454230520
7524451001242
oct117215377460
930415526833
1010640293680
114570194145
12208b4b5440
131007553483
1472d1d8092
154241d9920
hex27a35ff30

10640293680 has 160 divisors (see below), whose sum is σ = 34320089088. Its totient is φ = 2724019200.

The previous prime is 10640293667. The next prime is 10640293681. The reversal of 10640293680 is 8639204601.

It is a super-2 number, since 2×106402936802 (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (10640293681) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 939250 + ... + 950510.

Almost surely, 210640293680 is an apocalyptic number.

10640293680 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 10640293680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17160044544).

10640293680 is an abundant number, since it is smaller than the sum of its proper divisors (23679795408).

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

10640293680 is a wasteful number, since it uses less digits than its factorization.

10640293680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11435 (or 11429 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The spelling of 10640293680 in words is "ten billion, six hundred forty million, two hundred ninety-three thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 40 48 60 62 80 93 120 124 127 155 186 240 248 254 310 372 381 465 496 508 620 635 744 762 930 1016 1240 1270 1488 1524 1860 1905 2032 2480 2540 3048 3720 3810 3937 5080 6096 7440 7620 7874 10160 11261 11811 15240 15748 19685 22522 23622 30480 31496 33783 39370 45044 47244 56305 59055 62992 67566 78740 90088 94488 112610 118110 135132 157480 168915 180176 188976 225220 236220 270264 314960 337830 349091 450440 472440 540528 675660 698182 900880 944880 1047273 1351320 1396364 1430147 1745455 2094546 2702640 2792728 2860294 3490910 4189092 4290441 5236365 5585456 5720588 6981820 7150735 8378184 8580882 10472730 11441176 13963640 14301470 16756368 17161764 20945460 21452205 22882352 27927280 28602940 34323528 41890920 42904410 44334557 57205880 68647056 83781840 85808820 88669114 114411760 133003671 171617640 177338228 221672785 266007342 343235280 354676456 443345570 532014684 665018355 709352912 886691140 1064029368 1330036710 1773382280 2128058736 2660073420 3546764560 5320146840 10640293680