Base | Representation |
---|---|
bin | 110000111000111000… |
… | …0011011001010001100 |
3 | 101000222202221111221100 |
4 | 1201301300123022030 |
5 | 3210003330002133 |
6 | 120121455303100 |
7 | 10404460006665 |
oct | 1416160331214 |
9 | 330882844840 |
10 | 104987734668 |
11 | 40585925a73 |
12 | 1842021aa90 |
13 | 9b91c6562b |
14 | 511d64c36c |
15 | 2ae706be13 |
hex | 1871c1b28c |
104987734668 has 72 divisors (see below), whose sum is σ = 277493868288. Its totient is φ = 33405486048.
The previous prime is 104987734667. The next prime is 104987734699. The reversal of 104987734668 is 866437789401.
104987734668 is a `hidden beast` number, since 10 + 4 + 98 + 7 + 73 + 466 + 8 = 666.
It is a super-2 number, since 2×1049877346682 (a number of 23 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (104987734667) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 273055 + ... + 533417.
It is an arithmetic number, because the mean of its divisors is an integer number (3854081504).
Almost surely, 2104987734668 is an apocalyptic number.
104987734668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 104987734668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138746934144).
104987734668 is an abundant number, since it is smaller than the sum of its proper divisors (172506133620).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
104987734668 is a wasteful number, since it uses less digits than its factorization.
104987734668 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 260883 (or 260878 counting only the distinct ones).
The product of its (nonzero) digits is 48771072, while the sum is 63.
The spelling of 104987734668 in words is "one hundred four billion, nine hundred eighty-seven million, seven hundred thirty-four thousand, six hundred sixty-eight".
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