Base | Representation |
---|---|
bin | 100110110001101… |
… | …1010111111010111 |
3 | 10100200022022111022 |
4 | 1031203122333113 |
5 | 10131042144343 |
6 | 333035431355 |
7 | 44146301330 |
oct | 11543327727 |
9 | 3320268438 |
10 | 1301131223 |
11 | 608500167 |
12 | 3038b555b |
13 | 179742b42 |
14 | c4b37287 |
15 | 79365568 |
hex | 4d8dafd7 |
1301131223 has 8 divisors (see below), whose sum is σ = 1509201792. Its totient is φ = 1098609336.
The previous prime is 1301131199. The next prime is 1301131231. The reversal of 1301131223 is 3221311031.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1301131223 - 210 = 1301130199 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1301131243) 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, 1386665 + ... + 1387602.
It is an arithmetic number, because the mean of its divisors is an integer number (188650224).
Almost surely, 21301131223 is an apocalyptic number.
1301131223 is a deficient number, since it is larger than the sum of its proper divisors (208070569).
1301131223 is an equidigital number, since it uses as much as digits as its factorization.
1301131223 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2774341.
The product of its (nonzero) digits is 108, while the sum is 17.
The square root of 1301131223 is about 36071.1965839782. The cubic root of 1301131223 is about 1091.7093576245.
Adding to 1301131223 its reverse (3221311031), we get a palindrome (4522442254).
The spelling of 1301131223 in words is "one billion, three hundred one million, one hundred thirty-one thousand, two hundred twenty-three".
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