Base | Representation |
---|---|
bin | 10010111011010010… |
… | …10000100001010110 |
3 | 222020010202212110220 |
4 | 21131221100201112 |
5 | 131302211000004 |
6 | 4400134055210 |
7 | 506541224553 |
oct | 113551204126 |
9 | 28203685426 |
10 | 10161031254 |
11 | 43447011a0 |
12 | 1b76aaa506 |
13 | c5c17c43a |
14 | 6c56bda2a |
15 | 3e70badd9 |
hex | 25da50856 |
10161031254 has 16 divisors (see below), whose sum is σ = 22169522880. Its totient is φ = 3079100360.
The previous prime is 10161031247. The next prime is 10161031277. The reversal of 10161031254 is 45213016101.
It is a happy number.
It is a super-2 number, since 2×101610312542 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76977444 + ... + 76977575.
It is an arithmetic number, because the mean of its divisors is an integer number (1385595180).
Almost surely, 210161031254 is an apocalyptic number.
10161031254 is an abundant number, since it is smaller than the sum of its proper divisors (12008491626).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10161031254 is a wasteful number, since it uses less digits than its factorization.
10161031254 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 153955035.
The product of its (nonzero) digits is 720, while the sum is 24.
Adding to 10161031254 its reverse (45213016101), we get a palindrome (55374047355).
The spelling of 10161031254 in words is "ten billion, one hundred sixty-one million, thirty-one thousand, two hundred fifty-four".
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