Base | Representation |
---|---|
bin | 110111111100100010… |
… | …1001110000110010000 |
3 | 102111002222021101102002 |
4 | 1233321011032012100 |
5 | 3432023102342430 |
6 | 131105401413132 |
7 | 11452153516466 |
oct | 1577105160620 |
9 | 374088241362 |
10 | 120143012240 |
11 | 46a52664359 |
12 | 1b34b79a1a8 |
13 | b438a0a7b4 |
14 | 5b5a332836 |
15 | 31d2804845 |
hex | 1bf914e190 |
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".
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