Base | Representation |
---|---|
bin | 111001011001101… |
… | …0111101000100001 |
3 | 11222020020102122100 |
4 | 1302303113220201 |
5 | 12421033200034 |
6 | 515042201013 |
7 | 65505212562 |
oct | 16263275041 |
9 | 4866212570 |
10 | 1926068769 |
11 | 8a9240a79 |
12 | 459053169 |
13 | 249060381 |
14 | 143b32169 |
15 | b415c099 |
hex | 72cd7a21 |
1926068769 has 9 divisors (see below), whose sum is σ = 2782289523. Its totient is φ = 1283958072.
The previous prime is 1926068761. The next prime is 1926068773. The reversal of 1926068769 is 9678606291.
The square root of 1926068769 is 43887.
It is a perfect power (a square), and thus also a powerful number.
1926068769 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 343620369 + 1582448400 = 18537^2 + 39780^2 .
It is a tau number, because it is divible by the number of its divisors (9).
It is not a de Polignac number, because 1926068769 - 23 = 1926068761 is a prime.
It is a super-2 number, since 2×19260687692 = 7419481805834350722, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1926068761) by changing a digit.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 124347 + ... + 138975.
Almost surely, 21926068769 is an apocalyptic number.
1926068769 is the 43887-th square number.
1926068769 is the 21944-th centered octagonal number.
It is an amenable number.
1926068769 is a deficient number, since it is larger than the sum of its proper divisors (856220754).
1926068769 is an frugal number, since it uses more digits than its factorization.
1926068769 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29264 (or 14632 counting only the distinct ones).
The product of its (nonzero) digits is 1959552, while the sum is 54.
The cubic root of 1926068769 is about 1244.2011442704.
The spelling of 1926068769 in words is "one billion, nine hundred twenty-six million, sixty-eight thousand, seven hundred sixty-nine".
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