Base | Representation |
---|---|
bin | 100001101011010… |
… | …1110010010010111 |
3 | 2220202100111001112 |
4 | 1003112232102113 |
5 | 4303241431411 |
6 | 304044245235 |
7 | 40001045531 |
oct | 10326562227 |
9 | 2822314045 |
10 | 1130030231 |
11 | 52a966490 |
12 | 27654081b |
13 | 150166655 |
14 | aa118851 |
15 | 69318b8b |
hex | 435ae497 |
1130030231 has 4 divisors (see below), whose sum is σ = 1232760264. Its totient is φ = 1027300200.
The previous prime is 1130030221. The next prime is 1130030257. The reversal of 1130030231 is 1320300311.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1320300311 = 11 ⋅120027301.
It is a cyclic number.
It is not a de Polignac number, because 1130030231 - 226 = 1062921367 is a prime.
It is a super-2 number, since 2×11300302312 = 2553936645947826722, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1130030221) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51365000 + ... + 51365021.
It is an arithmetic number, because the mean of its divisors is an integer number (308190066).
Almost surely, 21130030231 is an apocalyptic number.
1130030231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
1130030231 is a deficient number, since it is larger than the sum of its proper divisors (102730033).
1130030231 is a wasteful number, since it uses less digits than its factorization.
1130030231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 102730032.
The product of its (nonzero) digits is 54, while the sum is 14.
The square root of 1130030231 is about 33615.9222839416. The cubic root of 1130030231 is about 1041.5897257247.
Adding to 1130030231 its reverse (1320300311), we get a palindrome (2450330542).
The spelling of 1130030231 in words is "one billion, one hundred thirty million, thirty thousand, two hundred thirty-one".
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