Base | Representation |
---|---|
bin | 110101001011011110… |
… | …111111010111111010 |
3 | 12110101110120211120111 |
4 | 311023132333113322 |
5 | 1413420323134241 |
6 | 42122024214534 |
7 | 4061005256230 |
oct | 651336772772 |
9 | 173343524514 |
10 | 57100989946 |
11 | 22242024990 |
12 | b09700a44a |
13 | 54ccc74c20 |
14 | 2a99858950 |
15 | 1742eabc81 |
hex | d4b7bf5fa |
57100989946 has 32 divisors (see below), whose sum is σ = 115000599168. Its totient is φ = 20535819840.
The previous prime is 57100989943. The next prime is 57100989991. The reversal of 57100989946 is 64998900175.
It is not an unprimeable number, because it can be changed into a prime (57100989941) 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, 14258985 + ... + 14262988.
It is an arithmetic number, because the mean of its divisors is an integer number (3593768724).
Almost surely, 257100989946 is an apocalyptic number.
57100989946 is an abundant number, since it is smaller than the sum of its proper divisors (57899609222).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57100989946 is a wasteful number, since it uses less digits than its factorization.
57100989946 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28522006.
The product of its (nonzero) digits is 4898880, while the sum is 58.
The spelling of 57100989946 in words is "fifty-seven billion, one hundred million, nine hundred eighty-nine thousand, nine hundred forty-six".
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