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485528431920 = 243571491939631
BaseRepresentation
bin1110001000010111011…
…11111110110100110000
31201102020022101212212120
413010023233332310300
530423330234310140
61011014303154240
750035563401640
oct7041357766460
91642208355776
10485528431920
11177a03162184
127a1225a5980
1336a28c3013c
14196dd276520
15c96a4011d0
hex710bbfed30

485528431920 has 160 divisors (see below), whose sum is σ = 1731703449600. Its totient is φ = 110233052160.

The previous prime is 485528431919. The next prime is 485528431933. The reversal of 485528431920 is 29134825584.

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, 719496 + ... + 1220135.

It is an arithmetic number, because the mean of its divisors is an integer number (10823146560).

Almost surely, 2485528431920 is an apocalyptic number.

485528431920 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

485528431920 is an abundant number, since it is smaller than the sum of its proper divisors (1246175017680).

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

485528431920 is a wasteful number, since it uses less digits than its factorization.

485528431920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939803 (or 1939797 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 485528431920 in words is "four hundred eighty-five billion, five hundred twenty-eight million, four hundred thirty-one thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 149 168 210 240 280 298 336 420 447 560 596 745 840 894 1043 1192 1490 1680 1788 2086 2235 2384 2980 3129 3576 4172 4470 5215 5960 6258 7152 8344 8940 10430 11920 12516 15645 16688 17880 20860 25032 31290 35760 41720 50064 62580 83440 125160 250320 1939631 3879262 5818893 7758524 9698155 11637786 13577417 15517048 19396310 23275572 27154834 29094465 31034096 38792620 40732251 46551144 54309668 58188930 67887085 77585240 81464502 93102288 108619336 116377860 135774170 155170480 162929004 203661255 217238672 232755720 271548340 289005019 325858008 407322510 465511440 543096680 578010038 651716016 814645020 867015057 1086193360 1156020076 1445025095 1629290040 1734030114 2023035133 2312040152 2890050190 3258580080 3468060228 4046070266 4335075285 4624080304 5780100380 6069105399 6936120456 8092140532 8670150570 10115175665 11560200760 12138210798 13872240912 16184281064 17340301140 20230351330 23120401520 24276421596 30345526995 32368562128 34680602280 40460702660 48552843192 60691053990 69361204560 80921405320 97105686384 121382107980 161842810640 242764215960 485528431920