Base | Representation |
---|---|
bin | 111111100001111… |
… | …0101001010111110 |
3 | 12111120012010021110 |
4 | 1333003311022332 |
5 | 13331204220104 |
6 | 551305542450 |
7 | 103553145603 |
oct | 17703651276 |
9 | 5446163243 |
10 | 2131710654 |
11 | 9a4327847 |
12 | 4b5aa4a26 |
13 | 27c841668 |
14 | 1631826aa |
15 | c722ce89 |
hex | 7f0f52be |
2131710654 has 16 divisors (see below), whose sum is σ = 4265197200. Its totient is φ = 710274240.
The previous prime is 2131710653. The next prime is 2131710673. The reversal of 2131710654 is 4560171312.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2131710653) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58129 + ... + 87420.
It is an arithmetic number, because the mean of its divisors is an integer number (266574825).
Almost surely, 22131710654 is an apocalyptic number.
2131710654 is an abundant number, since it is smaller than the sum of its proper divisors (2133486546).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2131710654 is a wasteful number, since it uses less digits than its factorization.
2131710654 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 147995.
The product of its (nonzero) digits is 5040, while the sum is 30.
The square root of 2131710654 is about 46170.4521745239. The cubic root of 2131710654 is about 1286.9927050866.
Adding to 2131710654 its reverse (4560171312), we get a palindrome (6691881966).
The spelling of 2131710654 in words is "two billion, one hundred thirty-one million, seven hundred ten thousand, six hundred fifty-four".
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