Base | Representation |
---|---|
bin | 1111101000111… |
… | …11011111100100 |
3 | 100010212200221011 |
4 | 13310133133210 |
5 | 232041412441 |
6 | 21004032004 |
7 | 3152122123 |
oct | 764373744 |
9 | 303780834 |
10 | 131200996 |
11 | 68072283 |
12 | 37b32604 |
13 | 21249334 |
14 | 135d3aba |
15 | b7b9581 |
hex | 7d1f7e4 |
131200996 has 12 divisors (see below), whose sum is σ = 233366140. Its totient is φ = 64524960.
The previous prime is 131200991. The next prime is 131200997. The reversal of 131200996 is 699002131.
It can be written as a sum of positive squares in 2 ways, for example, as 1240996 + 129960000 = 1114^2 + 11400^2 .
It is not an unprimeable number, because it can be changed into a prime (131200991) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268611 + ... + 269098.
Almost surely, 2131200996 is an apocalyptic number.
It is an amenable number.
131200996 is a deficient number, since it is larger than the sum of its proper divisors (102165144).
131200996 is a wasteful number, since it uses less digits than its factorization.
131200996 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 537774 (or 537772 counting only the distinct ones).
The product of its (nonzero) digits is 2916, while the sum is 31.
The square root of 131200996 is about 11454.3003278245. The cubic root of 131200996 is about 508.1349229317.
The spelling of 131200996 in words is "one hundred thirty-one million, two hundred thousand, nine hundred ninety-six".
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