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630380615280 = 2435131910633951
BaseRepresentation
bin10010010110001011001…
…11001101011001110000
32020021010022100012212120
421023011213031121300
540312004414142110
61201332020154240
763354263551263
oct11130547153160
92207108305776
10630380615280
11223385472509
12a2209238980
13475a1b37840
1422721088cda
15115e70cb870
hex92c59cd670

630380615280 has 160 divisors (see below), whose sum is σ = 2215264880640. Its totient is φ = 147003724800.

The previous prime is 630380615257. The next prime is 630380615281. The reversal of 630380615280 is 82516083036.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630380615281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5257696 + ... + 5376255.

It is an arithmetic number, because the mean of its divisors is an integer number (13845405504).

Almost surely, 2630380615280 is an apocalyptic number.

630380615280 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

630380615280 is an abundant number, since it is smaller than the sum of its proper divisors (1584884265360).

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

630380615280 is a wasteful number, since it uses less digits than its factorization.

630380615280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10633999 (or 10633993 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 42.

The spelling of 630380615280 in words is "six hundred thirty billion, three hundred eighty million, six hundred fifteen thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 13 15 16 19 20 24 26 30 38 39 40 48 52 57 60 65 76 78 80 95 104 114 120 130 152 156 190 195 208 228 240 247 260 285 304 312 380 390 456 494 520 570 624 741 760 780 912 988 1040 1140 1235 1482 1520 1560 1976 2280 2470 2964 3120 3705 3952 4560 4940 5928 7410 9880 11856 14820 19760 29640 59280 10633951 21267902 31901853 42535804 53169755 63803706 85071608 106339510 127607412 138241363 159509265 170143216 202045069 212679020 255214824 276482726 319018530 404090138 414724089 425358040 510429648 552965452 606135207 638037060 691206815 808180276 829448178 850716080 1010225345 1105930904 1212270414 1276074120 1382413630 1616360552 1658896356 2020450690 2073620445 2211861808 2424540828 2552148240 2626585897 2764827260 3030676035 3232721104 3317792712 4040901380 4147240890 4849081656 5253171794 5529654520 6061352070 6635585424 7879757691 8081802760 8294481780 9698163312 10506343588 11059309040 12122704140 13132929485 15759515382 16163605520 16588963560 21012687176 24245408280 26265858970 31519030764 33177927120 39398788455 42025374352 48490816560 52531717940 63038061528 78797576910 105063435880 126076123056 157595153820 210126871760 315190307640 630380615280