Base | Representation |
---|---|
bin | 1111100100001… |
… | …10101011000000 |
3 | 100002200220021121 |
4 | 13302012223000 |
5 | 231411400130 |
6 | 20542402024 |
7 | 3143604151 |
oct | 762065300 |
9 | 302626247 |
10 | 130575040 |
11 | 67784a62 |
12 | 37890314 |
13 | 2108a44b |
14 | 134ad928 |
15 | b6e3d7a |
hex | 7c86ac0 |
130575040 has 56 divisors (see below), whose sum is σ = 316839600. Its totient is φ = 51237888.
The previous prime is 130575017. The next prime is 130575061. The reversal of 130575040 is 40575031.
It is a junction number, because it is equal to n+sod(n) for n = 130574996 and 130575014.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13111 + ... + 20809.
It is an arithmetic number, because the mean of its divisors is an integer number (5657850).
Almost surely, 2130575040 is an apocalyptic number.
130575040 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 130575040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158419800).
130575040 is an abundant number, since it is smaller than the sum of its proper divisors (186264560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130575040 is an equidigital number, since it uses as much as digits as its factorization.
130575040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7769 (or 7759 counting only the distinct ones).
The product of its (nonzero) digits is 2100, while the sum is 25.
The square root of 130575040 is about 11426.9435983556. The cubic root of 130575040 is about 507.3255355723.
Subtracting from 130575040 its reverse (40575031), we obtain a palindrome (90000009).
The spelling of 130575040 in words is "one hundred thirty million, five hundred seventy-five thousand, forty".
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