Base | Representation |
---|---|
bin | 10000100111010010… |
… | …011101101110010100 |
3 | 1201001020021011021120 |
4 | 100213102131232110 |
5 | 243013242132243 |
6 | 12110052043540 |
7 | 1201032114300 |
oct | 204722355624 |
9 | 51036234246 |
10 | 17839020948 |
11 | 7624731521 |
12 | 355a3035b0 |
13 | 18b3a892c8 |
14 | c132c4d00 |
15 | 6e61aac83 |
hex | 42749db94 |
17839020948 has 72 divisors (see below), whose sum is σ = 49142997792. Its totient is φ = 5020779456.
The previous prime is 17839020943. The next prime is 17839020949. The reversal of 17839020948 is 84902093871.
It is a self number, because there is not a number n which added to its sum of digits gives 17839020948.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (17839020943) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 187011 + ... + 265802.
It is an arithmetic number, because the mean of its divisors is an integer number (682541636).
Almost surely, 217839020948 is an apocalyptic number.
It is an amenable number.
17839020948 is an abundant number, since it is smaller than the sum of its proper divisors (31303976844).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
17839020948 is a wasteful number, since it uses less digits than its factorization.
17839020948 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 452901 (or 452892 counting only the distinct ones).
The product of its (nonzero) digits is 870912, while the sum is 51.
The spelling of 17839020948 in words is "seventeen billion, eight hundred thirty-nine million, twenty thousand, nine hundred forty-eight".
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