Base | Representation |
---|---|
bin | 1111100100111… |
… | …00111110101111 |
3 | 100002212112121212 |
4 | 13302130332233 |
5 | 231422311130 |
6 | 20544345035 |
7 | 3144434435 |
oct | 762347657 |
9 | 302775555 |
10 | 130666415 |
11 | 67837680 |
12 | 3791517b |
13 | 210bcc09 |
14 | 134d4d55 |
15 | b710e95 |
hex | 7c9cfaf |
130666415 has 32 divisors (see below), whose sum is σ = 176843520. Its totient is φ = 91872000.
The previous prime is 130666411. The next prime is 130666429. The reversal of 130666415 is 514666031.
It is not a de Polignac number, because 130666415 - 22 = 130666411 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130666411) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217115 + ... + 217715.
It is an arithmetic number, because the mean of its divisors is an integer number (5526360).
Almost surely, 2130666415 is an apocalyptic number.
130666415 is a deficient number, since it is larger than the sum of its proper divisors (46177105).
130666415 is a wasteful number, since it uses less digits than its factorization.
130666415 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 743.
The product of its (nonzero) digits is 12960, while the sum is 32.
The square root of 130666415 is about 11430.9411248593. The cubic root of 130666415 is about 507.4438482852.
The spelling of 130666415 in words is "one hundred thirty million, six hundred sixty-six thousand, four hundred fifteen".
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