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6468635034840 = 23351137313138019
BaseRepresentation
bin101111000100001100010…
…1100011000010011011000
3211220101200022000221120110
41132020120230120103120
51321440231032103330
621431352214124320
71235225543404446
oct136103054302330
924811608027513
106468635034840
112074372927340
128857b89506a0
1337bcb33b2894
141851255b5b96
15b33e621cdb0
hex5e218b184d8

6468635034840 has 128 divisors (see below), whose sum is σ = 21226836153600. Its totient is φ = 1563949662720.

The previous prime is 6468635034839. The next prime is 6468635034871. The reversal of 6468635034840 is 484305368646.

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, 6076650 + ... + 7061369.

It is an arithmetic number, because the mean of its divisors is an integer number (165834657450).

Almost surely, 26468635034840 is an apocalyptic number.

6468635034840 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6468635034840 is an abundant number, since it is smaller than the sum of its proper divisors (14758201118760).

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

6468635034840 is a wasteful number, since it uses less digits than its factorization.

6468635034840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13138417 (or 13138413 counting only the distinct ones).

The product of its (nonzero) digits is 39813120, while the sum is 57.

The spelling of 6468635034840 in words is "six trillion, four hundred sixty-eight billion, six hundred thirty-five million, thirty-four thousand, eight hundred forty".

Divisors: 1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 110 120 132 165 220 264 330 373 440 660 746 1119 1320 1492 1865 2238 2984 3730 4103 4476 5595 7460 8206 8952 11190 12309 14920 16412 20515 22380 24618 32824 41030 44760 49236 61545 82060 98472 123090 164120 246180 492360 13138019 26276038 39414057 52552076 65690095 78828114 105104152 131380190 144518209 157656228 197070285 262760380 289036418 315312456 394140570 433554627 525520760 578072836 722591045 788281140 867109254 1156145672 1445182090 1576562280 1734218508 2167773135 2890364180 3468437016 4335546270 4900481087 5780728360 8671092540 9800962174 14701443261 17342185080 19601924348 24502405435 29402886522 39203848696 49004810870 53905291957 58805773044 73507216305 98009621740 107810583914 117611546088 147014432610 161715875871 196019243480 215621167828 269526459785 294028865220 323431751742 431242335656 539052919570 588057730440 646863503484 808579379355 1078105839140 1293727006968 1617158758710 2156211678280 3234317517420 6468635034840