Base | Representation |
---|---|
bin | 11111010100111100… |
… | …01011100010010001 |
3 | 1121102010022120101012 |
4 | 33222132023202101 |
5 | 233421040311001 |
6 | 11420522420305 |
7 | 1133532303212 |
oct | 175236134221 |
9 | 47363276335 |
10 | 16818682001 |
11 | 71507867a0 |
12 | 3314661695 |
13 | 178057a654 |
14 | b579a1409 |
15 | 68680d2bb |
hex | 3ea78b891 |
16818682001 has 8 divisors (see below), whose sum is σ = 18843536064. Its totient is φ = 14876475120.
The previous prime is 16818681983. The next prime is 16818682007. The reversal of 16818682001 is 10028681861.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-16818682001 is a prime.
It is a super-2 number, since 2×168186820012 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 16818682001.
It is not an unprimeable number, because it can be changed into a prime (16818682007) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20661365 + ... + 20662178.
It is an arithmetic number, because the mean of its divisors is an integer number (2355442008).
Almost surely, 216818682001 is an apocalyptic number.
16818682001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
16818682001 is a deficient number, since it is larger than the sum of its proper divisors (2024854063).
16818682001 is a wasteful number, since it uses less digits than its factorization.
16818682001 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41323591.
The product of its (nonzero) digits is 36864, while the sum is 41.
The spelling of 16818682001 in words is "sixteen billion, eight hundred eighteen million, six hundred eighty-two thousand, one".
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