Base | Representation |
---|---|
bin | 11110010101100111… |
… | …01000010100101111 |
3 | 1120001002200101011110 |
4 | 33022303220110233 |
5 | 231324040342111 |
6 | 11252104123103 |
7 | 1114421622261 |
oct | 171263502457 |
9 | 46032611143 |
10 | 16287434031 |
11 | 69a8917290 |
12 | 31a6766493 |
13 | 16c74a453b |
14 | b071d3b31 |
15 | 654d715a6 |
hex | 3cace852f |
16287434031 has 16 divisors (see below), whose sum is σ = 23693741568. Its totient is φ = 9869952000.
The previous prime is 16287433997. The next prime is 16287434047. The reversal of 16287434031 is 13043478261.
It is not a de Polignac number, because 16287434031 - 210 = 16287433007 is a prime.
It is a super-2 number, since 2×162874340312 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16287434531) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291130 + ... + 342536.
It is an arithmetic number, because the mean of its divisors is an integer number (1480858848).
Almost surely, 216287434031 is an apocalyptic number.
16287434031 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
16287434031 is a deficient number, since it is larger than the sum of its proper divisors (7406307537).
16287434031 is a wasteful number, since it uses less digits than its factorization.
16287434031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 61022.
The product of its (nonzero) digits is 96768, while the sum is 39.
The spelling of 16287434031 in words is "sixteen billion, two hundred eighty-seven million, four hundred thirty-four thousand, thirty-one".
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