Base | Representation |
---|---|
bin | 1111100001011… |
… | …11011001000110 |
3 | 100002000201212221 |
4 | 13300233121012 |
5 | 231313430132 |
6 | 20531002554 |
7 | 3140554660 |
oct | 760573106 |
9 | 302021787 |
10 | 130217542 |
11 | 67560404 |
12 | 3773945a |
13 | 20c93800 |
14 | 13419530 |
15 | b672e97 |
hex | 7c2f646 |
130217542 has 48 divisors (see below), whose sum is σ = 247076352. Its totient is φ = 50375520.
The previous prime is 130217533. The next prime is 130217551. The reversal of 130217542 is 245712031.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (130217533) and next prime (130217551).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110617 + ... + 111787.
It is an arithmetic number, because the mean of its divisors is an integer number (5147424).
Almost surely, 2130217542 is an apocalyptic number.
130217542 is a deficient number, since it is larger than the sum of its proper divisors (116858810).
130217542 is a wasteful number, since it uses less digits than its factorization.
130217542 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1253 (or 1240 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 25.
The square root of 130217542 is about 11411.2901111136. The cubic root of 130217542 is about 506.8621145965.
Adding to 130217542 its reverse (245712031), we get a palindrome (375929573).
The spelling of 130217542 in words is "one hundred thirty million, two hundred seventeen thousand, five hundred forty-two".
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