Base | Representation |
---|---|
bin | 101000110011010… |
… | …1111010100100000 |
3 | 10112102012222120002 |
4 | 1101212233110200 |
5 | 10300443003132 |
6 | 343504435132 |
7 | 45633145511 |
oct | 12146572440 |
9 | 3472188502 |
10 | 1369109792 |
11 | 6429104a6 |
12 | 322618aa8 |
13 | 18a85454b |
14 | cdb90a08 |
15 | 802e2262 |
hex | 519af520 |
1369109792 has 54 divisors (see below), whose sum is σ = 2798451747. Its totient is φ = 659332800.
The previous prime is 1369109783. The next prime is 1369109813. The reversal of 1369109792 is 2979019631.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in only one way, i.e., 684554896 + 684554896 = 26164^2 + 26164^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=26164.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 6488567 + ... + 6488777.
Almost surely, 21369109792 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1369109792
1369109792 is an abundant number, since it is smaller than the sum of its proper divisors (1429341955).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1369109792 is an frugal number, since it uses more digits than its factorization.
1369109792 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 494 (or 244 counting only the distinct ones).
The product of its (nonzero) digits is 183708, while the sum is 47.
The square root of 1369109792 is about 37001.4836459297. The cubic root of 1369109792 is about 1110.3999294765.
The spelling of 1369109792 in words is "one billion, three hundred sixty-nine million, one hundred nine thousand, seven hundred ninety-two".
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