Base | Representation |
---|---|
bin | 110101001010010011… |
… | …010000001001110010 |
3 | 12110100002020010201011 |
4 | 311022103100021302 |
5 | 1413400232320410 |
6 | 42120034501134 |
7 | 4060344435223 |
oct | 651223201162 |
9 | 173302203634 |
10 | 57081135730 |
11 | 222318a4143 |
12 | b0904347aa |
13 | 54c8b12c78 |
14 | 2a96d6b24a |
15 | 174138918a |
hex | d4a4d0272 |
57081135730 has 32 divisors (see below), whose sum is σ = 107462204928. Its totient is φ = 21789028800.
The previous prime is 57081135721. The next prime is 57081135737. The reversal of 57081135730 is 3753118075.
It is not an unprimeable number, because it can be changed into a prime (57081135737) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 188781 + ... + 387040.
It is an arithmetic number, because the mean of its divisors is an integer number (3358193904).
Almost surely, 257081135730 is an apocalyptic number.
57081135730 is a deficient number, since it is larger than the sum of its proper divisors (50381069198).
57081135730 is a wasteful number, since it uses less digits than its factorization.
57081135730 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 576282.
The product of its (nonzero) digits is 88200, while the sum is 40.
The spelling of 57081135730 in words is "fifty-seven billion, eighty-one million, one hundred thirty-five thousand, seven hundred thirty".
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