Base | Representation |
---|---|
bin | 1111100010010… |
… | …00001110110000 |
3 | 100002012220110000 |
4 | 13301020032300 |
5 | 231330204110 |
6 | 20533110000 |
7 | 3141460410 |
oct | 761101660 |
9 | 302186400 |
10 | 130319280 |
11 | 6761a893 |
12 | 37788300 |
13 | 20ccac00 |
14 | 13444640 |
15 | b6931c0 |
hex | 7c483b0 |
130319280 has 600 divisors, whose sum is σ = 593078112. Its totient is φ = 25878528.
The previous prime is 130319251. The next prime is 130319281. The reversal of 130319280 is 82913031.
It is a super-2 number, since 2×1303192802 = 33966229479436800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is not an unprimeable number, because it can be changed into a prime (130319281) by changing a digit.
It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 7665832 + ... + 7665848.
Almost surely, 2130319280 is an apocalyptic number.
130319280 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 130319280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296539056).
130319280 is an abundant number, since it is smaller than the sum of its proper divisors (462758832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130319280 is a wasteful number, since it uses less digits than its factorization.
130319280 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75 (or 47 counting only the distinct ones).
The product of its (nonzero) digits is 1296, while the sum is 27.
The square root of 130319280 is about 11415.7470189208. The cubic root of 130319280 is about 506.9940827712.
The spelling of 130319280 in words is "one hundred thirty million, three hundred nineteen thousand, two hundred eighty".
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