Base | Representation |
---|---|
bin | 101000110100101… |
… | …1111001000000000 |
3 | 10112110120120100022 |
4 | 1101221133020000 |
5 | 10301134024023 |
6 | 343532113012 |
7 | 45642235100 |
oct | 12151371000 |
9 | 3473516308 |
10 | 1369829888 |
11 | 643262519 |
12 | 322905768 |
13 | 18aa4723b |
14 | cdcdb200 |
15 | 803d57c8 |
hex | 51a5f200 |
1369829888 has 60 divisors (see below), whose sum is σ = 3183897222. Its totient is φ = 587059200.
The previous prime is 1369829869. The next prime is 1369829897. The reversal of 1369829888 is 8889289631.
It can be written as a sum of positive squares in only one way, i.e., 1357775104 + 12054784 = 36848^2 + 3472^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 1369829888.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2213 + ... + 52388.
Almost surely, 21369829888 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 1369829888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1591948611).
1369829888 is an abundant number, since it is smaller than the sum of its proper divisors (1814067334).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1369829888 is an frugal number, since it uses more digits than its factorization.
1369829888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 54633 (or 54610 counting only the distinct ones).
The product of its digits is 11943936, while the sum is 62.
The square root of 1369829888 is about 37011.2130036290. The cubic root of 1369829888 is about 1110.5945704051.
The spelling of 1369829888 in words is "one billion, three hundred sixty-nine million, eight hundred twenty-nine thousand, eight hundred eighty-eight".
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