Base | Representation |
---|---|
bin | 110000101001111110… |
… | …1011100010011111101 |
3 | 100222200221021202201120 |
4 | 1201103331130103331 |
5 | 3202442341041111 |
6 | 120000120501153 |
7 | 10356206623155 |
oct | 1412375342375 |
9 | 328627252646 |
10 | 104487830781 |
11 | 40349724864 |
12 | 1830091a7b9 |
13 | 9b12515209 |
14 | 50b30bd765 |
15 | 2ab8222406 |
hex | 1853f5c4fd |
104487830781 has 16 divisors (see below), whose sum is σ = 140866516800. Its totient is φ = 68886140288.
The previous prime is 104487830771. The next prime is 104487830833. The reversal of 104487830781 is 187038784401.
It is a cyclic number.
It is not a de Polignac number, because 104487830781 - 26 = 104487830717 is a prime.
It is a super-2 number, since 2×1044878307812 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (104487830771) 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, 103386 + ... + 468683.
It is an arithmetic number, because the mean of its divisors is an integer number (8804157300).
Almost surely, 2104487830781 is an apocalyptic number.
It is an amenable number.
104487830781 is a deficient number, since it is larger than the sum of its proper divisors (36378686019).
104487830781 is a wasteful number, since it uses less digits than its factorization.
104487830781 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 572748.
The product of its (nonzero) digits is 1204224, while the sum is 51.
The spelling of 104487830781 in words is "one hundred four billion, four hundred eighty-seven million, eight hundred thirty thousand, seven hundred eighty-one".
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