Base | Representation |
---|---|
bin | 11110000110100010… |
… | …11100000101110001 |
3 | 1112201021211102010200 |
4 | 33003101130011301 |
5 | 231044210434023 |
6 | 11231350545413 |
7 | 1111325331015 |
oct | 170321340561 |
9 | 45637742120 |
10 | 16161030513 |
11 | 6943531471 |
12 | 3170368269 |
13 | 16a7247a64 |
14 | ad44cc545 |
15 | 648c03743 |
hex | 3c345c171 |
16161030513 has 12 divisors (see below), whose sum is σ = 23624961360. Its totient is φ = 10644212376.
The previous prime is 16161030493. The next prime is 16161030539. The reversal of 16161030513 is 31503016161.
16161030513 is a `hidden beast` number, since 1 + 6 + 1 + 610 + 30 + 5 + 13 = 666.
It is not a de Polignac number, because 16161030513 - 28 = 16161030257 is a prime.
It is a super-2 number, since 2×161610305132 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (16161032513) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10816543 + ... + 10818036.
It is an arithmetic number, because the mean of its divisors is an integer number (1968746780).
Almost surely, 216161030513 is an apocalyptic number.
It is an amenable number.
16161030513 is a deficient number, since it is larger than the sum of its proper divisors (7463930847).
16161030513 is a wasteful number, since it uses less digits than its factorization.
16161030513 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21634668 (or 21634665 counting only the distinct ones).
The product of its (nonzero) digits is 1620, while the sum is 27.
Adding to 16161030513 its reverse (31503016161), we get a palindrome (47664046674).
The spelling of 16161030513 in words is "sixteen billion, one hundred sixty-one million, thirty thousand, five hundred thirteen".
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