Base | Representation |
---|---|
bin | 101000110100110… |
… | …0011110010010100 |
3 | 10112110121112112102 |
4 | 1101221203302110 |
5 | 10301140131410 |
6 | 343532341232 |
7 | 45642344543 |
oct | 12151436224 |
9 | 3473545472 |
10 | 1369848980 |
11 | 6432758a5 |
12 | 322914818 |
13 | 18aa52b36 |
14 | cdd0415a |
15 | 803db2a5 |
hex | 51a63c94 |
1369848980 has 24 divisors (see below), whose sum is σ = 2877693000. Its totient is φ = 547747200.
The previous prime is 1369848943. The next prime is 1369848983. The reversal of 1369848980 is 898489631.
It can be written as a sum of positive squares in 4 ways, for example, as 28238596 + 1341610384 = 5314^2 + 36628^2 .
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1369848983) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55646 + ... + 76394.
It is an arithmetic number, because the mean of its divisors is an integer number (119903875).
Almost surely, 21369848980 is an apocalyptic number.
1369848980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1369848980 is an abundant number, since it is smaller than the sum of its proper divisors (1507844020).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1369848980 is a wasteful number, since it uses less digits than its factorization.
1369848980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24059 (or 24057 counting only the distinct ones).
The product of its (nonzero) digits is 2985984, while the sum is 56.
The square root of 1369848980 is about 37011.4709245661. The cubic root of 1369848980 is about 1110.5997300173.
The spelling of 1369848980 in words is "one billion, three hundred sixty-nine million, eight hundred forty-eight thousand, nine hundred eighty".
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