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1324215100240 = 24573237795393
BaseRepresentation
bin10011010001010001010…
…111101110001101010000
311200121000211022222222121
4103101101113232031100
5133143443031201430
62452200325144024
7164446166430304
oct23212127561520
94617024288877
101324215100240
114706619a142a
12194784b5b014
1397b46b36c16
14481415b7d04
15246a4c54a7a
hex134515ee350

1324215100240 has 80 divisors (see below), whose sum is σ = 3122321172048. Its totient is φ = 522204807168.

The previous prime is 1324215100223. The next prime is 1324215100253. The reversal of 1324215100240 is 420015124231.

It can be written as a sum of positive squares in 8 ways, for example, as 67968661264 + 1256246438976 = 260708^2 + 1120824^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13833984 + ... + 13929376.

Almost surely, 21324215100240 is an apocalyptic number.

1324215100240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1324215100240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1561160586024).

1324215100240 is an abundant number, since it is smaller than the sum of its proper divisors (1798106071808).

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

1324215100240 is a wasteful number, since it uses less digits than its factorization.

1324215100240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97856 (or 97850 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The spelling of 1324215100240 in words is "one trillion, three hundred twenty-four billion, two hundred fifteen million, one hundred thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 73 80 146 292 365 584 730 1168 1460 2377 2920 4754 5840 9508 11885 19016 23770 38032 47540 95080 95393 173521 190160 190786 347042 381572 476965 694084 763144 867605 953930 1388168 1526288 1735210 1907860 2776336 3470420 3815720 6940840 6963689 7631440 13881680 13927378 27854756 34818445 55709512 69636890 111419024 139273780 226749161 278547560 453498322 557095120 906996644 1133745805 1813993288 2267491610 3627986576 4534983220 9069966440 16552688753 18139932880 33105377506 66210755012 82763443765 132421510024 165526887530 264843020048 331053775060 662107550120 1324215100240