Base | Representation |
---|---|
bin | 1111100110110… |
… | …01101101001101 |
3 | 100010100011211020 |
4 | 13303121231031 |
5 | 232003241044 |
6 | 20553544353 |
7 | 3146521551 |
oct | 763315515 |
9 | 303304736 |
10 | 130915149 |
11 | 67997542 |
12 | 37a150b9 |
13 | 211791b1 |
14 | 1355b861 |
15 | b75ea19 |
hex | 7cd9b4d |
130915149 has 16 divisors (see below), whose sum is σ = 191731200. Its totient is φ = 79087536.
The previous prime is 130915129. The next prime is 130915157. The reversal of 130915149 is 941519031.
It is not a de Polignac number, because 130915149 - 27 = 130915021 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130915129) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48619 + ... + 51240.
It is an arithmetic number, because the mean of its divisors is an integer number (11983200).
Almost surely, 2130915149 is an apocalyptic number.
130915149 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
It is an amenable number.
130915149 is a deficient number, since it is larger than the sum of its proper divisors (60816051).
130915149 is a wasteful number, since it uses less digits than its factorization.
130915149 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 99904.
The product of its (nonzero) digits is 4860, while the sum is 33.
The square root of 130915149 is about 11441.8158086905. The cubic root of 130915149 is about 507.7656308787.
The spelling of 130915149 in words is "one hundred thirty million, nine hundred fifteen thousand, one hundred forty-nine".
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