Base | Representation |
---|---|
bin | 1111100001010… |
… | …00000111100010 |
3 | 100001222020000101 |
4 | 13300220013202 |
5 | 231312001441 |
6 | 20530213014 |
7 | 3140402053 |
oct | 760500742 |
9 | 301866011 |
10 | 130187746 |
11 | 6753aa87 |
12 | 3772416a |
13 | 20c83090 |
14 | 1340c72a |
15 | b669231 |
hex | 7c281e2 |
130187746 has 16 divisors (see below), whose sum is σ = 215195904. Its totient is φ = 58688784.
The previous prime is 130187723. The next prime is 130187749. The reversal of 130187746 is 647781031.
It is not an unprimeable number, because it can be changed into a prime (130187749) 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, 57106 + ... + 59341.
It is an arithmetic number, because the mean of its divisors is an integer number (13449744).
Almost surely, 2130187746 is an apocalyptic number.
130187746 is a deficient number, since it is larger than the sum of its proper divisors (85008158).
130187746 is a wasteful number, since it uses less digits than its factorization.
130187746 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116505.
The product of its (nonzero) digits is 28224, while the sum is 37.
The square root of 130187746 is about 11409.9844872813. The cubic root of 130187746 is about 506.8234520749.
The spelling of 130187746 in words is "one hundred thirty million, one hundred eighty-seven thousand, seven hundred forty-six".
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