Base | Representation |
---|---|
bin | 1111100111011… |
… | …11111000001110 |
3 | 100010111210101211 |
4 | 13303233320032 |
5 | 232014142331 |
6 | 20555525034 |
7 | 3150350410 |
oct | 763577016 |
9 | 303453354 |
10 | 131005966 |
11 | 67a497a3 |
12 | 37a5977a |
13 | 211ab630 |
14 | 135829b0 |
15 | b77b8b1 |
hex | 7cefe0e |
131005966 has 16 divisors (see below), whose sum is σ = 241857504. Its totient is φ = 51826464.
The previous prime is 131005957. The next prime is 131005997. The reversal of 131005966 is 669500131.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359725 + ... + 360088.
It is an arithmetic number, because the mean of its divisors is an integer number (15116094).
Almost surely, 2131005966 is an apocalyptic number.
131005966 is a deficient number, since it is larger than the sum of its proper divisors (110851538).
131005966 is a wasteful number, since it uses less digits than its factorization.
131005966 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 719835.
The product of its (nonzero) digits is 4860, while the sum is 31.
The square root of 131005966 is about 11445.7837652124. The cubic root of 131005966 is about 507.8830175794.
The spelling of 131005966 in words is "one hundred thirty-one million, five thousand, nine hundred sixty-six".
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