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12530824367640 = 2335431242281987
BaseRepresentation
bin1011011001011000111101…
…0101011100111000011000
31122100221020200202221012220
42312112033111130320120
53120301112014231030
642352325314304040
72432215336464045
oct266261725347030
948327220687186
1012530824367640
113aa132474a9a7
1214a4683888020
136cb861937a47
143146d091a1cc
1516ae4ec19a10
hexb658f55ce18

12530824367640 has 64 divisors (see below), whose sum is σ = 37679694773760. Its totient is φ = 3333800127360.

The previous prime is 12530824367617. The next prime is 12530824367657. The reversal of 12530824367640 is 4676342803521.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 121089274 + ... + 121192713.

It is an arithmetic number, because the mean of its divisors is an integer number (588745230840).

Almost surely, 212530824367640 is an apocalyptic number.

12530824367640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12530824367640 is an abundant number, since it is smaller than the sum of its proper divisors (25148870406120).

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

12530824367640 is a wasteful number, since it uses less digits than its factorization.

12530824367640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242282432 (or 242282428 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 51.

The spelling of 12530824367640 in words is "twelve trillion, five hundred thirty billion, eight hundred twenty-four million, three hundred sixty-seven thousand, six hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 431 862 1293 1724 2155 2586 3448 4310 5172 6465 8620 10344 12930 17240 25860 51720 242281987 484563974 726845961 969127948 1211409935 1453691922 1938255896 2422819870 2907383844 3634229805 4845639740 5814767688 7268459610 9691279480 14536919220 29073838440 104423536397 208847072794 313270609191 417694145588 522117681985 626541218382 835388291176 1044235363970 1253082436764 1566353045955 2088470727940 2506164873528 3132706091910 4176941455880 6265412183820 12530824367640