Base | Representation |
---|---|
bin | 101000110101000… |
… | …0000110100000000 |
3 | 10112110211120121211 |
4 | 1101222000310000 |
5 | 10301202432442 |
6 | 343535055504 |
7 | 45643351300 |
oct | 12152006400 |
9 | 3473746554 |
10 | 1369967872 |
11 | 643347159 |
12 | 322971594 |
13 | 18aa94ca0 |
14 | cdd35600 |
15 | 80411617 |
hex | 51a80d00 |
1369967872 has 216 divisors, whose sum is σ = 3549299712. Its totient is φ = 522547200.
The previous prime is 1369967861. The next prime is 1369967873. The reversal of 1369967872 is 2787699631.
It is a super-3 number, since 3×13699678723 (a number of 28 digits) contains 333 as substring.
Its product of digits (6858432) is a multiple of the sum of its prime divisors (324).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1369967873) 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, 5055097 + ... + 5055367.
Almost surely, 21369967872 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 1369967872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1774649856).
1369967872 is an abundant number, since it is smaller than the sum of its proper divisors (2179331840).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1369967872 is a wasteful number, since it uses less digits than its factorization.
1369967872 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 345 (or 324 counting only the distinct ones).
The product of its digits is 6858432, while the sum is 58.
The square root of 1369967872 is about 37013.0770404191. The cubic root of 1369967872 is about 1110.6318594966.
The spelling of 1369967872 in words is "one billion, three hundred sixty-nine million, nine hundred sixty-seven thousand, eight hundred seventy-two".
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