Base | Representation |
---|---|
bin | 111101100001… |
… | …111111101111 |
3 | 1010100111020120 |
4 | 331201333233 |
5 | 13112130111 |
6 | 1333420023 |
7 | 254050221 |
oct | 75417757 |
9 | 33314216 |
10 | 16130031 |
11 | 9117805 |
12 | 549a613 |
13 | 3459ac8 |
14 | 21dc411 |
15 | 1639406 |
hex | f61fef |
16130031 has 16 divisors (see below), whose sum is σ = 23168640. Its totient is φ = 9948960.
The previous prime is 16130027. The next prime is 16130041. The reversal of 16130031 is 13003161.
It is not a de Polignac number, because 16130031 - 22 = 16130027 is a prime.
It is a super-2 number, since 2×161300312 = 520355800121922, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16130021) 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, 840 + ... + 5741.
It is an arithmetic number, because the mean of its divisors is an integer number (1448040).
Almost surely, 216130031 is an apocalyptic number.
16130031 is a deficient number, since it is larger than the sum of its proper divisors (7038609).
16130031 is a wasteful number, since it uses less digits than its factorization.
16130031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6646.
The product of its (nonzero) digits is 54, while the sum is 15.
The square root of 16130031 is about 4016.2209849559. The cubic root of 16130031 is about 252.6649890550.
Adding to 16130031 its reverse (13003161), we get a palindrome (29133192).
The spelling of 16130031 in words is "sixteen million, one hundred thirty thousand, thirty-one".
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