Base | Representation |
---|---|
bin | 1111100101001… |
… | …10000010101011 |
3 | 100002221102112112 |
4 | 13302212002223 |
5 | 231430003111 |
6 | 20545232535 |
7 | 3144650600 |
oct | 762460253 |
9 | 302842475 |
10 | 130703531 |
11 | 67862552 |
12 | 3793274b |
13 | 21103a8a |
14 | 135046a7 |
15 | b71be8b |
hex | 7ca60ab |
130703531 has 48 divisors (see below), whose sum is σ = 170644320. Its totient is φ = 99348480.
The previous prime is 130703519. The next prime is 130703537. The reversal of 130703531 is 135307031.
It is a happy number.
It is not a de Polignac number, because 130703531 - 214 = 130687147 is a prime.
It is a super-2 number, since 2×1307035312 = 34166826031735922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 130703497 and 130703506.
It is not an unprimeable number, because it can be changed into a prime (130703537) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1468535 + ... + 1468623.
It is an arithmetic number, because the mean of its divisors is an integer number (3555090).
Almost surely, 2130703531 is an apocalyptic number.
130703531 is a deficient number, since it is larger than the sum of its proper divisors (39940789).
130703531 is a wasteful number, since it uses less digits than its factorization.
130703531 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 204 (or 197 counting only the distinct ones).
The product of its (nonzero) digits is 945, while the sum is 23.
The square root of 130703531 is about 11432.5644979593. The cubic root of 130703531 is about 507.4918904768.
The spelling of 130703531 in words is "one hundred thirty million, seven hundred three thousand, five hundred thirty-one".
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