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28922317630248 = 2337641937286633
BaseRepresentation
bin1101001001110000000000…
…11101111110101100101000
310210101221120001012002000110
412210320000131332230220
512242330401303131443
6141302421305534320
76043365664366110
oct644700035765450
9123357501162013
1028922317630248
119240982331a89
1232b14097a43a0
13131a494247663
1471dbc1d06040
15352508799233
hex1a4e0077eb28

28922317630248 has 128 divisors (see below), whose sum is σ = 82852727166720. Its totient is φ = 8241793597440.

The previous prime is 28922317630231. The next prime is 28922317630273. The reversal of 28922317630248 is 84203671322982.

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, 100760340 + ... + 101046972.

It is an arithmetic number, because the mean of its divisors is an integer number (647286930990).

Almost surely, 228922317630248 is an apocalyptic number.

28922317630248 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

28922317630248 is an abundant number, since it is smaller than the sum of its proper divisors (53930409536472).

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

28922317630248 is a wasteful number, since it uses less digits than its factorization.

28922317630248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288227 (or 288223 counting only the distinct ones).

The product of its (nonzero) digits is 13934592, while the sum is 57.

The spelling of 28922317630248 in words is "twenty-eight trillion, nine hundred twenty-two billion, three hundred seventeen million, six hundred thirty thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 641 937 1282 1874 1923 2564 2811 3748 3846 4487 5128 5622 6559 7496 7692 8974 11244 13118 13461 15384 17948 19677 22488 26236 26922 35896 39354 52472 53844 78708 107688 157416 286633 573266 600617 859899 1146532 1201234 1719798 1801851 2006431 2293064 2402468 3439596 3603702 4012862 4204319 4804936 6019293 6879192 7207404 8025724 8408638 12038586 12612957 14414808 16051448 16817276 24077172 25225914 33634552 48154344 50451828 100903656 183731753 268575121 367463506 537150242 551195259 734927012 805725363 1074300484 1102390518 1286122271 1469854024 1611450726 1880025847 2148600968 2204781036 2572244542 3222901452 3760051694 3858366813 4409562072 5144489084 5640077541 6445802904 7520103388 7716733626 10288978168 11280155082 15040206776 15433467252 22560310164 30866934504 45120620328 172156652561 344313305122 516469957683 688626610244 1032939915366 1205096567927 1377253220488 2065879830732 2410193135854 3615289703781 4131759661464 4820386271708 7230579407562 9640772543416 14461158815124 28922317630248