Base | Representation |
---|---|
bin | 11110110000101111… |
… | …10010000101110110 |
3 | 1120121221220200121100 |
4 | 33120113302011312 |
5 | 232310320440110 |
6 | 11330434030530 |
7 | 1123154211603 |
oct | 173027620566 |
9 | 46557820540 |
10 | 16515015030 |
11 | 7005328258 |
12 | 324aa18446 |
13 | 1732697757 |
14 | b295156aa |
15 | 669d27bc0 |
hex | 3d85f2176 |
16515015030 has 48 divisors (see below), whose sum is σ = 43018535664. Its totient is φ = 4395850560.
The previous prime is 16515015019. The next prime is 16515015043. The reversal of 16515015030 is 3051051561.
16515015030 is a `hidden beast` number, since 1 + 6 + 5 + 150 + 1 + 503 + 0 = 666.
It is a super-2 number, since 2×165150150302 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 16515014985 and 16515015003.
It is a congruent number.
It is an unprimeable number.
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 23 ways as a sum of consecutive naturals, for example, 120904 + ... + 218283.
It is an arithmetic number, because the mean of its divisors is an integer number (896219493).
Almost surely, 216515015030 is an apocalyptic number.
16515015030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
16515015030 is an abundant number, since it is smaller than the sum of its proper divisors (26503520634).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16515015030 is a wasteful number, since it uses less digits than its factorization.
16515015030 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 339741 (or 339738 counting only the distinct ones).
The product of its (nonzero) digits is 2250, while the sum is 27.
Adding to 16515015030 its reverse (3051051561), we get a palindrome (19566066591).
The spelling of 16515015030 in words is "sixteen billion, five hundred fifteen million, fifteen thousand, thirty".
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