Base | Representation |
---|---|
bin | 1111100100101… |
… | …10110111110110 |
3 | 100002211021022022 |
4 | 13302112313312 |
5 | 231421011043 |
6 | 20544033142 |
7 | 3144301466 |
oct | 762266766 |
9 | 302737268 |
10 | 130641398 |
11 | 6781a8a8 |
12 | 379027b2 |
13 | 210b1704 |
14 | 134c9ba6 |
15 | b708868 |
hex | 7c96df6 |
130641398 has 4 divisors (see below), whose sum is σ = 195962100. Its totient is φ = 65320698.
The previous prime is 130641391. The next prime is 130641437. The reversal of 130641398 is 893146031.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 893146031 = 29 ⋅30798139.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (130641391) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32660348 + ... + 32660351.
It is an arithmetic number, because the mean of its divisors is an integer number (48990525).
Almost surely, 2130641398 is an apocalyptic number.
130641398 is a deficient number, since it is larger than the sum of its proper divisors (65320702).
130641398 is an equidigital number, since it uses as much as digits as its factorization.
130641398 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65320701.
The product of its (nonzero) digits is 15552, while the sum is 35.
The square root of 130641398 is about 11429.8468056225. The cubic root of 130641398 is about 507.4114616590.
The spelling of 130641398 in words is "one hundred thirty million, six hundred forty-one thousand, three hundred ninety-eight".
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