Base | Representation |
---|---|
bin | 1111100001001… |
… | …01101001101000 |
3 | 100001221201011002 |
4 | 13300211221220 |
5 | 231311141030 |
6 | 20530054132 |
7 | 3140330435 |
oct | 760455150 |
9 | 301851132 |
10 | 130177640 |
11 | 6753342a |
12 | 3771a348 |
13 | 20c7b5b8 |
14 | 13408b8c |
15 | b666245 |
hex | 7c25a68 |
130177640 has 16 divisors (see below), whose sum is σ = 292899780. Its totient is φ = 52071040.
The previous prime is 130177637. The next prime is 130177643. The reversal of 130177640 is 46771031.
It is an interprime number because it is at equal distance from previous prime (130177637) and next prime (130177643).
It can be written as a sum of positive squares in 2 ways, for example, as 117375556 + 12802084 = 10834^2 + 3578^2 .
It is not an unprimeable number, because it can be changed into a prime (130177643) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1627181 + ... + 1627260.
Almost surely, 2130177640 is an apocalyptic number.
130177640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
130177640 is an abundant number, since it is smaller than the sum of its proper divisors (162722140).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130177640 is a wasteful number, since it uses less digits than its factorization.
130177640 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3254452 (or 3254448 counting only the distinct ones).
The product of its (nonzero) digits is 3528, while the sum is 29.
The square root of 130177640 is about 11409.5416209417. The cubic root of 130177640 is about 506.8103374500.
The spelling of 130177640 in words is "one hundred thirty million, one hundred seventy-seven thousand, six hundred forty".
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