Base | Representation |
---|---|
bin | 100110000000110… |
… | …1100100100101010 |
3 | 10021220002210002001 |
4 | 1030001230210222 |
5 | 10103012410010 |
6 | 330322401214 |
7 | 43415453113 |
oct | 11401544452 |
9 | 3256083061 |
10 | 1275513130 |
11 | 5a4aa2991 |
12 | 2b720020a |
13 | 1743434c8 |
14 | c158920a |
15 | 76ea4c3a |
hex | 4c06c92a |
1275513130 has 32 divisors (see below), whose sum is σ = 2423275200. Its totient is φ = 482049792.
The previous prime is 1275513079. The next prime is 1275513131. The reversal of 1275513130 is 313155721.
It is not an unprimeable number, because it can be changed into a prime (1275513131) 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, 63154 + ... + 80866.
It is an arithmetic number, because the mean of its divisors is an integer number (75727350).
Almost surely, 21275513130 is an apocalyptic number.
1275513130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1275513130 is a deficient number, since it is larger than the sum of its proper divisors (1147762070).
1275513130 is a wasteful number, since it uses less digits than its factorization.
1275513130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18118.
The product of its (nonzero) digits is 3150, while the sum is 28.
The square root of 1275513130 is about 35714.3266771194. The cubic root of 1275513130 is about 1084.4968906326.
Adding to 1275513130 its reverse (313155721), we get a palindrome (1588668851).
The spelling of 1275513130 in words is "one billion, two hundred seventy-five million, five hundred thirteen thousand, one hundred thirty".
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