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120143012240 = 2453148444763
BaseRepresentation
bin110111111100100010…
…1001110000110010000
3102111002222021101102002
41233321011032012100
53432023102342430
6131105401413132
711452153516466
oct1577105160620
9374088241362
10120143012240
1146a52664359
121b34b79a1a8
13b438a0a7b4
145b5a332836
1531d2804845
hex1bf914e190

120143012240 has 40 divisors (see below), whose sum is σ = 288343235328. Its totient is φ = 46506971520.

The previous prime is 120143012117. The next prime is 120143012251. The reversal of 120143012240 is 42210341021.

120143012240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

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 7 ways as a sum of consecutive naturals, for example, 24219902 + ... + 24224861.

Almost surely, 2120143012240 is an apocalyptic number.

120143012240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120143012240 is an abundant number, since it is smaller than the sum of its proper divisors (168200223088).

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

120143012240 is a wasteful number, since it uses less digits than its factorization.

120143012240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48444807 (or 48444801 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 120143012240 its reverse (42210341021), we get a palindrome (162353353261).

The spelling of 120143012240 in words is "one hundred twenty billion, one hundred forty-three million, twelve thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 31 40 62 80 124 155 248 310 496 620 1240 2480 48444763 96889526 193779052 242223815 387558104 484447630 775116208 968895260 1501787653 1937790520 3003575306 3875581040 6007150612 7508938265 12014301224 15017876530 24028602448 30035753060 60071506120 120143012240