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1012764521680 = 245315310337459
BaseRepresentation
bin11101011110011010111…
…10000011010011010000
310120211010022010022102021
432233031132003103100
5113043120204143210
62053131350301224
7133112151252652
oct16571536032320
93524108108367
101012764521680
11360569195a6a
12144344957814
1374670940852
14370377d66d2
151b5271a1bda
hexebcd7834d0

1012764521680 has 160 divisors (see below), whose sum is σ = 2479225605120. Its totient is φ = 384217067520.

The previous prime is 1012764521651. The next prime is 1012764521719. The reversal of 1012764521680 is 861254672101.

It is a super-3 number, since 3×10127645216803 (a number of 37 digits) contains 333 as substring.

It is a congruent number.

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, 135773791 + ... + 135781249.

It is an arithmetic number, because the mean of its divisors is an integer number (15495160032).

Almost surely, 21012764521680 is an apocalyptic number.

1012764521680 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 1012764521680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1239612802560).

1012764521680 is an abundant number, since it is smaller than the sum of its proper divisors (1466461083440).

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

1012764521680 is a wasteful number, since it uses less digits than its factorization.

1012764521680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8589 (or 8583 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 43.

The spelling of 1012764521680 in words is "one trillion, twelve billion, seven hundred sixty-four million, five hundred twenty-one thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 31 40 53 62 80 106 124 155 212 248 265 310 424 496 530 620 848 1033 1060 1240 1643 2066 2120 2480 3286 4132 4240 5165 6572 7459 8215 8264 10330 13144 14918 16430 16528 20660 26288 29836 32023 32860 37295 41320 54749 59672 64046 65720 74590 82640 109498 119344 128092 131440 149180 160115 218996 231229 256184 273745 298360 320230 395327 437992 462458 512368 547490 596720 640460 790654 875984 924916 1094980 1156145 1280920 1581308 1697219 1849832 1976635 2189960 2312290 2561840 3162616 3394438 3699664 3953270 4379920 4624580 6325232 6788876 7705147 7906540 8486095 9249160 12255137 13577752 15410294 15813080 16972190 18498320 24510274 27155504 30820588 31626160 33944380 38525735 49020548 61275685 61641176 67888760 77051470 98041096 122551370 123282352 135777520 154102940 196082192 238859557 245102740 308205880 408372791 477719114 490205480 616411760 816745582 955438228 980410960 1194297785 1633491164 1910876456 2041863955 2388595570 3266982328 3821752912 4083727910 4777191140 6533964656 8167455820 9554382280 12659556521 16334911640 19108764560 25319113042 32669823280 50638226084 63297782605 101276452168 126595565210 202552904336 253191130420 506382260840 1012764521680