Search a number
-
+
10505348880 = 24351317319463
BaseRepresentation
bin10011100100010101…
…01110011100010000
31000010010200000110120
421302022232130100
5133003332131010
64454234030240
7521221664205
oct116212563420
930103600416
1010505348880
114500aa5114
122052278380
13cb55c6090
1471930bcac
15417430e70
hex2722ae710

10505348880 has 160 divisors (see below), whose sum is σ = 35276242176. Its totient is φ = 2570852352.

The previous prime is 10505348873. The next prime is 10505348921. The reversal of 10505348880 is 8884350501.

It is a super-2 number, since 2×105053488802 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 530029 + ... + 549491.

Almost surely, 210505348880 is an apocalyptic number.

10505348880 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 10505348880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17638121088).

10505348880 is an abundant number, since it is smaller than the sum of its proper divisors (24770893296).

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

10505348880 is a wasteful number, since it uses less digits than its factorization.

10505348880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19665 (or 19659 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 42.

The spelling of 10505348880 in words is "ten billion, five hundred five million, three hundred forty-eight thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 39 40 48 52 60 65 78 80 104 120 130 156 173 195 208 240 260 312 346 390 519 520 624 692 780 865 1038 1040 1384 1560 1730 2076 2249 2595 2768 3120 3460 4152 4498 5190 6747 6920 8304 8996 10380 11245 13494 13840 17992 19463 20760 22490 26988 33735 35984 38926 41520 44980 53976 58389 67470 77852 89960 97315 107952 116778 134940 155704 179920 194630 233556 253019 269880 291945 311408 389260 467112 506038 539760 583890 759057 778520 934224 1012076 1167780 1265095 1518114 1557040 2024152 2335560 2530190 3036228 3367099 3795285 4048304 4671120 5060380 6072456 6734198 7590570 10101297 10120760 12144912 13468396 15181140 16835495 20202594 20241520 26936792 30362280 33670990 40405188 43772287 50506485 53873584 60724560 67341980 80810376 87544574 101012970 131316861 134683960 161620752 175089148 202025940 218861435 262633722 269367920 350178296 404051880 437722870 525267444 656584305 700356592 808103760 875445740 1050534888 1313168610 1750891480 2101069776 2626337220 3501782960 5252674440 10505348880