Base | Representation |
---|---|
bin | 11111010011111010… |
… | …01110001100100000 |
3 | 1121101112001121201111 |
4 | 33221331032030200 |
5 | 233411332322034 |
6 | 11420013313104 |
7 | 1133366000140 |
oct | 175175161440 |
9 | 47345047644 |
10 | 16810042144 |
11 | 7146915515 |
12 | 3311795794 |
13 | 177b843bcc |
14 | b56792920 |
15 | 685ba3364 |
hex | 3e9f4e320 |
16810042144 has 48 divisors (see below), whose sum is σ = 39042694656. Its totient is φ = 6971904000.
The previous prime is 16810042127. The next prime is 16810042163. The reversal of 16810042144 is 44124001861.
It is a super-2 number, since 2×168100421442 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (31).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1203457 + ... + 1217344.
It is an arithmetic number, because the mean of its divisors is an integer number (813389472).
Almost surely, 216810042144 is an apocalyptic number.
16810042144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
16810042144 is an abundant number, since it is smaller than the sum of its proper divisors (22232652512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
16810042144 is a wasteful number, since it uses less digits than its factorization.
16810042144 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2420849 (or 2420841 counting only the distinct ones).
The product of its (nonzero) digits is 6144, while the sum is 31.
The spelling of 16810042144 in words is "sixteen billion, eight hundred ten million, forty-two thousand, one hundred forty-four".
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