Base | Representation |
---|---|
bin | 10110100010001… |
… | …011000110101001 |
3 | 222100101021212220 |
4 | 112202023012221 |
5 | 1233240312004 |
6 | 101303024253 |
7 | 12240301242 |
oct | 2642130651 |
9 | 870337786 |
10 | 378057129 |
11 | 184448a0a |
12 | a673b089 |
13 | 6042aa58 |
14 | 382d1cc9 |
15 | 232cbdd9 |
hex | 1688b1a9 |
378057129 has 8 divisors (see below), whose sum is σ = 506892960. Its totient is φ = 250629696.
The previous prime is 378057103. The next prime is 378057133. The reversal of 378057129 is 921750873.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 378057129 - 211 = 378055081 is a prime.
It is not an unprimeable number, because it can be changed into a prime (378057139) 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 7 ways as a sum of consecutive naturals, for example, 351472 + ... + 352545.
It is an arithmetic number, because the mean of its divisors is an integer number (63361620).
Almost surely, 2378057129 is an apocalyptic number.
It is an amenable number.
378057129 is a deficient number, since it is larger than the sum of its proper divisors (128835831).
378057129 is a wasteful number, since it uses less digits than its factorization.
378057129 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 704199.
The product of its (nonzero) digits is 105840, while the sum is 42.
The square root of 378057129 is about 19443.6912390626. The cubic root of 378057129 is about 723.0791030836.
The spelling of 378057129 in words is "three hundred seventy-eight million, fifty-seven thousand, one hundred twenty-nine".
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