Base | Representation |
---|---|
bin | 1110010100010… |
… | …10111000011000 |
3 | 22101000001011122 |
4 | 13022022320120 |
5 | 221221402040 |
6 | 15530144412 |
7 | 2655613532 |
oct | 712127030 |
9 | 271001148 |
10 | 120106520 |
11 | 61884896 |
12 | 34282108 |
13 | 1bb63561 |
14 | 11d46852 |
15 | a8271b5 |
hex | 728ae18 |
120106520 has 16 divisors (see below), whose sum is σ = 270239760. Its totient is φ = 48042592.
The previous prime is 120106517. The next prime is 120106523. The reversal of 120106520 is 25601021.
It is an interprime number because it is at equal distance from previous prime (120106517) and next prime (120106523).
It is a super-2 number, since 2×1201065202 = 28851152293020800, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120106523) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1501292 + ... + 1501371.
It is an arithmetic number, because the mean of its divisors is an integer number (16889985).
Almost surely, 2120106520 is an apocalyptic number.
120106520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
120106520 is an abundant number, since it is smaller than the sum of its proper divisors (150133240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120106520 is a wasteful number, since it uses less digits than its factorization.
120106520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3002674 (or 3002670 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 17.
The square root of 120106520 is about 10959.3120222029. The cubic root of 120106520 is about 493.3883166540.
Adding to 120106520 its reverse (25601021), we get a palindrome (145707541).
The spelling of 120106520 in words is "one hundred twenty million, one hundred six thousand, five hundred twenty".
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