Base | Representation |
---|---|
bin | 1111100001100… |
… | …00011111011000 |
3 | 100002000222001112 |
4 | 13300300133120 |
5 | 231314101130 |
6 | 20531035452 |
7 | 3140604044 |
oct | 760603730 |
9 | 302028045 |
10 | 130222040 |
11 | 67563823 |
12 | 3773bb88 |
13 | 20c95880 |
14 | 1341b024 |
15 | b674495 |
hex | 7c307d8 |
130222040 has 64 divisors (see below), whose sum is σ = 334121760. Its totient is φ = 45250560.
The previous prime is 130222039. The next prime is 130222049. The reversal of 130222040 is 40222031.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130222049) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1475 + ... + 16205.
Almost surely, 2130222040 is an apocalyptic number.
130222040 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 130222040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167060880).
130222040 is an abundant number, since it is smaller than the sum of its proper divisors (203899720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
130222040 is a wasteful number, since it uses less digits than its factorization.
130222040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14772 (or 14768 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 14.
The square root of 130222040 is about 11411.4871949277. The cubic root of 130222040 is about 506.8679505730.
Adding to 130222040 its reverse (40222031), we get a palindrome (170444071).
Subtracting from 130222040 its reverse (40222031), we obtain a palindrome (90000009).
The spelling of 130222040 in words is "one hundred thirty million, two hundred twenty-two thousand, forty".
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