Base | Representation |
---|---|
bin | 1110010101001… |
… | …01011100101100 |
3 | 22101012120110000 |
4 | 13022211130230 |
5 | 221233342330 |
6 | 15532344300 |
7 | 2656546020 |
oct | 712453454 |
9 | 271176400 |
10 | 120215340 |
11 | 61949623 |
12 | 34315090 |
13 | 1bba0c4b |
14 | 11d74380 |
15 | a849560 |
hex | 72a572c |
120215340 has 120 divisors (see below), whose sum is σ = 431034912. Its totient is φ = 27475200.
The previous prime is 120215339. The next prime is 120215377. The reversal of 120215340 is 43512021.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6040 + ... + 16640.
Almost surely, 2120215340 is an apocalyptic number.
120215340 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 120215340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (215517456).
120215340 is an abundant number, since it is smaller than the sum of its proper divisors (310819572).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120215340 is a wasteful number, since it uses less digits than its factorization.
120215340 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10629 (or 10618 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 120215340 is about 10964.2756258679. The cubic root of 120215340 is about 493.5372797292.
Adding to 120215340 its reverse (43512021), we get a palindrome (163727361).
The spelling of 120215340 in words is "one hundred twenty million, two hundred fifteen thousand, three hundred forty".
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