Base | Representation |
---|---|
bin | 10001111001111010011… |
… | …101111110001111101100 |
3 | 11100121220202111122222010 |
4 | 101321322131332033230 |
5 | 130124342310333030 |
6 | 2341124530321220 |
7 | 154615560456312 |
oct | 21717235761754 |
9 | 4317822448863 |
10 | 1230415324140 |
11 | 4348a8412312 |
12 | 17a567729210 |
13 | 8c048a28422 |
14 | 437a3ba60b2 |
15 | 220150036b0 |
hex | 11e7a77e3ec |
1230415324140 has 96 divisors (see below), whose sum is σ = 3539219733504. Its totient is φ = 319157694720.
The previous prime is 1230415324129. The next prime is 1230415324163. The reversal of 1230415324140 is 414235140321.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 1230415324098 and 1230415324107.
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, 8468305 + ... + 8612375.
It is an arithmetic number, because the mean of its divisors is an integer number (36866872224).
Almost surely, 21230415324140 is an apocalyptic number.
1230415324140 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 1230415324140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1769609866752).
1230415324140 is an abundant number, since it is smaller than the sum of its proper divisors (2308804409364).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1230415324140 is a wasteful number, since it uses less digits than its factorization.
1230415324140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 147967 (or 147965 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 30.
The spelling of 1230415324140 in words is "one trillion, two hundred thirty billion, four hundred fifteen million, three hundred twenty-four thousand, one hundred forty".
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