Base | Representation |
---|---|
bin | 111000000100100011… |
… | …1110100101111000000 |
3 | 102111210201122222220102 |
4 | 1300021013310233000 |
5 | 3433101001131430 |
6 | 131152213501532 |
7 | 11461632135203 |
oct | 1601107645700 |
9 | 374721588812 |
10 | 120412130240 |
11 | 47080565726 |
12 | 1b4059418a8 |
13 | b47c6b500c |
14 | 5b83d8793a |
15 | 31eb263345 |
hex | 1c091f4bc0 |
120412130240 has 56 divisors (see below), whose sum is σ = 288448467552. Its totient is φ = 47876418560.
The previous prime is 120412130221. The next prime is 120412130243. The reversal of 120412130240 is 42031214021.
It is a super-2 number, since 2×1204121302402 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120412130243) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1073171 + ... + 1180050.
It is an arithmetic number, because the mean of its divisors is an integer number (5150865492).
Almost surely, 2120412130240 is an apocalyptic number.
120412130240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
120412130240 is an abundant number, since it is smaller than the sum of its proper divisors (168036337312).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120412130240 is a wasteful number, since it uses less digits than its factorization.
120412130240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2253405 (or 2253395 counting only the distinct ones).
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 120412130240 its reverse (42031214021), we get a palindrome (162443344261).
The spelling of 120412130240 in words is "one hundred twenty billion, four hundred twelve million, one hundred thirty thousand, two hundred forty".
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