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1240033142320 = 245716691132667
BaseRepresentation
bin10010000010110111101…
…111000010011000110000
311101112202001010110012021
4102002313233002120300
5130304041441023240
62345355141441224
7155406114540460
oct22026757023060
94345661113167
101240033142320
11438993421485
121803b0710214
138cc1c4a25bb
1444037281ba0
15223c956c54a
hex120b7bc2630

1240033142320 has 80 divisors (see below), whose sum is σ = 3295167452928. Its totient is φ = 425125543680.

The previous prime is 1240033142311. The next prime is 1240033142321. The reversal of 1240033142320 is 232413300421.

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

It is not an unprimeable number, because it can be changed into a prime (1240033142321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9280627 + ... + 9413293.

Almost surely, 21240033142320 is an apocalyptic number.

1240033142320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1240033142320 is an abundant number, since it is smaller than the sum of its proper divisors (2055134310608).

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

1240033142320 is a wasteful number, since it uses less digits than its factorization.

1240033142320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149378 (or 149372 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1240033142320 its reverse (232413300421), we get a palindrome (1472446442741).

The spelling of 1240033142320 in words is "one trillion, two hundred forty billion, thirty-three million, one hundred forty-two thousand, three hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 280 560 16691 33382 66764 83455 116837 132667 133528 166910 233674 265334 267056 333820 467348 530668 584185 663335 667640 928669 934696 1061336 1168370 1326670 1335280 1857338 1869392 2122672 2336740 2653340 3714676 4643345 4673480 5306680 7429352 9286690 9346960 10613360 14858704 18573380 37146760 74293520 2214344897 4428689794 8857379588 11071724485 15500414279 17714759176 22143448970 31000828558 35429518352 44286897940 62001657116 77502071395 88573795880 124003314232 155004142790 177147591760 248006628464 310008285580 620016571160 1240033142320