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1240203300140 = 225756364124547
BaseRepresentation
bin10010000011000001111…
…000001000110100101100
311101120011220022100211202
4102003001320020310230
5130304414021101030
62345424100505032
7155413252054430
oct22030170106454
94346156270752
101240203300140
11438a70481582
121804396ab178
138cc4880b6bc
1444051ad69c0
15223d947e745
hex120c1e08d2c

1240203300140 has 96 divisors (see below), whose sum is σ = 2986548171264. Its totient is φ = 423777853440.

The previous prime is 1240203300109. The next prime is 1240203300179. The reversal of 1240203300140 is 410033020421.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 50511347 + ... + 50535893.

It is an arithmetic number, because the mean of its divisors is an integer number (31109876784).

Almost surely, 21240203300140 is an apocalyptic number.

1240203300140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1240203300140 is an abundant number, since it is smaller than the sum of its proper divisors (1746344871124).

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

1240203300140 is a wasteful number, since it uses less digits than its factorization.

1240203300140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25767 (or 25765 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 1240203300140 its reverse (410033020421), we get a palindrome (1650236320561).

The spelling of 1240203300140 in words is "one trillion, two hundred forty billion, two hundred three million, three hundred thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 563 641 1126 1282 2252 2564 2815 3205 3941 4487 5630 6410 7882 8974 11260 12820 15764 17948 19705 22435 24547 39410 44870 49094 78820 89740 98188 122735 171829 245470 343658 360883 490940 687316 721766 859145 1443532 1718290 1804415 2526181 3436580 3608830 5052362 7217660 10104724 12630905 13819961 15734627 25261810 27639922 31469254 50523620 55279844 62938508 69099805 78673135 96739727 110142389 138199610 157346270 193479454 220284778 276399220 314692540 386958908 440569556 483698635 550711945 967397270 1101423890 1934794540 2202847780 8858595001 17717190002 35434380004 44292975005 62010165007 88585950010 124020330014 177171900020 248040660028 310050825035 620101650070 1240203300140