Base | Representation |
---|---|
bin | 101000110011010… |
… | …1010011000101100 |
3 | 10112102011221211111 |
4 | 1101212222120230 |
5 | 10300441331310 |
6 | 343504201404 |
7 | 45633032545 |
oct | 12146523054 |
9 | 3472157744 |
10 | 1369089580 |
11 | 6428a72a1 |
12 | 322609264 |
13 | 18a8482a1 |
14 | cdb874cc |
15 | 802db28a |
hex | 519aa62c |
1369089580 has 48 divisors (see below), whose sum is σ = 2976583680. Its totient is φ = 528408000.
The previous prime is 1369089571. The next prime is 1369089607. The reversal of 1369089580 is 859809631.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219505 + ... + 225655.
It is an arithmetic number, because the mean of its divisors is an integer number (62012160).
Almost surely, 21369089580 is an apocalyptic number.
1369089580 is a gapful number since it is divisible by the number (10) 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 1369089580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1488291840).
1369089580 is an abundant number, since it is smaller than the sum of its proper divisors (1607494100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1369089580 is a wasteful number, since it uses less digits than its factorization.
1369089580 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6550 (or 6548 counting only the distinct ones).
The product of its (nonzero) digits is 466560, while the sum is 49.
The square root of 1369089580 is about 37001.2105207384. The cubic root of 1369089580 is about 1110.3944652169.
The spelling of 1369089580 in words is "one billion, three hundred sixty-nine million, eighty-nine thousand, five hundred eighty".
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