Base | Representation |
---|---|
bin | 110111111011101101… |
… | …0111101000001010110 |
3 | 102111001000212002111120 |
4 | 1233313122331001112 |
5 | 3431443434430110 |
6 | 131102524344410 |
7 | 11451364654233 |
oct | 1576732750126 |
9 | 374030762446 |
10 | 120115155030 |
11 | 46a38967872 |
12 | 1b3423a5106 |
13 | b433005c40 |
14 | 5b5676078a |
15 | 31d0150870 |
hex | 1bf76bd056 |
120115155030 has 32 divisors (see below), whose sum is σ = 310451478624. Its totient is φ = 29566807296.
The previous prime is 120115155023. The next prime is 120115155031. The reversal of 120115155030 is 30551511021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120115155031) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 153993399 + ... + 153994178.
It is an arithmetic number, because the mean of its divisors is an integer number (9701608707).
Almost surely, 2120115155030 is an apocalyptic number.
120115155030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
120115155030 is an abundant number, since it is smaller than the sum of its proper divisors (190336323594).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120115155030 is a wasteful number, since it uses less digits than its factorization.
120115155030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 307987600.
The product of its (nonzero) digits is 750, while the sum is 24.
Adding to 120115155030 its reverse (30551511021), we get a palindrome (150666666051).
The spelling of 120115155030 in words is "one hundred twenty billion, one hundred fifteen million, one hundred fifty-five thousand, thirty".
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