Base | Representation |
---|---|
bin | 110111111110101000… |
… | …1010110001101001000 |
3 | 102111021212112101010221 |
4 | 1233331101112031020 |
5 | 3432144101100130 |
6 | 131120352115424 |
7 | 11453666122261 |
oct | 1577521261510 |
9 | 374255471127 |
10 | 120213300040 |
11 | 46a89301649 |
12 | 1b36b235b74 |
13 | b44a44a302 |
14 | 5b657cb968 |
15 | 31d8a8a87a |
hex | 1bfd456348 |
120213300040 has 64 divisors (see below), whose sum is σ = 276712329600. Its totient is φ = 46987104768.
The previous prime is 120213300019. The next prime is 120213300071. The reversal of 120213300040 is 40003312021.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 120213299987 and 120213300023.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 241612 + ... + 546628.
It is an arithmetic number, because the mean of its divisors is an integer number (4323630150).
Almost surely, 2120213300040 is an apocalyptic number.
120213300040 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 120213300040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138356164800).
120213300040 is an abundant number, since it is smaller than the sum of its proper divisors (156499029560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120213300040 is a wasteful number, since it uses less digits than its factorization.
120213300040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 305254 (or 305250 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 16.
Adding to 120213300040 its reverse (40003312021), we get a palindrome (160216612061).
The spelling of 120213300040 in words is "one hundred twenty billion, two hundred thirteen million, three hundred thousand, forty".
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