Base | Representation |
---|---|
bin | 1111100011001… |
… | …11100100011111 |
3 | 100002110102112100 |
4 | 13301213210133 |
5 | 231343311042 |
6 | 20535540143 |
7 | 3142533561 |
oct | 761474437 |
9 | 302412470 |
10 | 130447647 |
11 | 676a8280 |
12 | 3782a653 |
13 | 21044475 |
14 | 13479331 |
15 | b6bb24c |
hex | 7c6791f |
130447647 has 24 divisors (see below), whose sum is σ = 217648080. Its totient is φ = 74407680.
The previous prime is 130447633. The next prime is 130447657. The reversal of 130447647 is 746744031.
It is a happy number.
130447647 is a `hidden beast` number, since 1 + 3 + 0 + 4 + 4 + 7 + 647 = 666.
It is not a de Polignac number, because 130447647 - 216 = 130382111 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130447627) 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 23 ways as a sum of consecutive naturals, for example, 37072 + ... + 40437.
It is an arithmetic number, because the mean of its divisors is an integer number (9068670).
Almost surely, 2130447647 is an apocalyptic number.
130447647 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
130447647 is a deficient number, since it is larger than the sum of its proper divisors (87200433).
130447647 is a wasteful number, since it uses less digits than its factorization.
130447647 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 77543 (or 77540 counting only the distinct ones).
The product of its (nonzero) digits is 56448, while the sum is 36.
The square root of 130447647 is about 11421.3680003754. The cubic root of 130447647 is about 507.1604944547.
The spelling of 130447647 in words is "one hundred thirty million, four hundred forty-seven thousand, six hundred forty-seven".
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