Base | Representation |
---|---|
bin | 10001100010011001… |
… | …100011110001001100 |
3 | 1210121100100112012201 |
4 | 101202121203301030 |
5 | 302031132031320 |
6 | 12352320011244 |
7 | 1234433422204 |
oct | 214231436114 |
9 | 53540315181 |
10 | 18830736460 |
11 | 7a93507018 |
12 | 3796460b24 |
13 | 1a11385713 |
14 | ca8cb7404 |
15 | 7532a270a |
hex | 462663c4c |
18830736460 has 48 divisors (see below), whose sum is σ = 43314536160. Its totient is φ = 6844759040.
The previous prime is 18830736427. The next prime is 18830736461. The reversal of 18830736460 is 6463703881.
It is a self number, because there is not a number n which added to its sum of digits gives 18830736460.
It is not an unprimeable number, because it can be changed into a prime (18830736461) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 945046 + ... + 964765.
It is an arithmetic number, because the mean of its divisors is an integer number (902386170).
Almost surely, 218830736460 is an apocalyptic number.
18830736460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
18830736460 is an abundant number, since it is smaller than the sum of its proper divisors (24483799700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18830736460 is a wasteful number, since it uses less digits than its factorization.
18830736460 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1909866 (or 1909864 counting only the distinct ones).
The product of its (nonzero) digits is 580608, while the sum is 46.
The spelling of 18830736460 in words is "eighteen billion, eight hundred thirty million, seven hundred thirty-six thousand, four hundred sixty".
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