Base | Representation |
---|---|
bin | 11110100100111110… |
… | …11011100001011000 |
3 | 1120101002021022110111 |
4 | 33102133123201120 |
5 | 232110041401230 |
6 | 11312551254104 |
7 | 1120545504331 |
oct | 172237334130 |
9 | 46332238414 |
10 | 16416356440 |
11 | 6a64672630 |
12 | 322197a334 |
13 | 17181036a3 |
14 | b1a393288 |
15 | 66133a92a |
hex | 3d27db858 |
16416356440 has 64 divisors (see below), whose sum is σ = 42415488000. Its totient is φ = 5655392640.
The previous prime is 16416356401. The next prime is 16416356447. The reversal of 16416356440 is 4465361461.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (40).
It is a junction number, because it is equal to n+sod(n) for n = 16416356393 and 16416356402.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (16416356447) 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, 973480 + ... + 990199.
It is an arithmetic number, because the mean of its divisors is an integer number (662742000).
Almost surely, 216416356440 is an apocalyptic number.
16416356440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
16416356440 is an abundant number, since it is smaller than the sum of its proper divisors (25999131560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16416356440 is a wasteful number, since it uses less digits than its factorization.
16416356440 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1963720 (or 1963716 counting only the distinct ones).
The product of its (nonzero) digits is 207360, while the sum is 40.
The spelling of 16416356440 in words is "sixteen billion, four hundred sixteen million, three hundred fifty-six thousand, four hundred forty".
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