Base | Representation |
---|---|
bin | 1111100111101… |
… | …10011110110100 |
3 | 100010120011111112 |
4 | 13303312132310 |
5 | 232021024022 |
6 | 21000254152 |
7 | 3150522305 |
oct | 763663664 |
9 | 303504445 |
10 | 131033012 |
11 | 67a68050 |
12 | 37a71358 |
13 | 211baa36 |
14 | 1358c7ac |
15 | b7848e2 |
hex | 7cf67b4 |
131033012 has 48 divisors (see below), whose sum is σ = 255467520. Its totient is φ = 58312800.
The previous prime is 131033011. The next prime is 131033027. The reversal of 131033012 is 210330131.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131033011) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 731939 + ... + 732117.
It is an arithmetic number, because the mean of its divisors is an integer number (5322240).
Almost surely, 2131033012 is an apocalyptic number.
It is an amenable number.
131033012 is a deficient number, since it is larger than the sum of its proper divisors (124434508).
131033012 is a wasteful number, since it uses less digits than its factorization.
131033012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 452 (or 450 counting only the distinct ones).
The product of its (nonzero) digits is 54, while the sum is 14.
The square root of 131033012 is about 11446.9651873324. The cubic root of 131033012 is about 507.9179657561.
Adding to 131033012 its reverse (210330131), we get a palindrome (341363143).
It can be divided in two parts, 1 and 31033012, that added together give a palindrome (31033013).
The spelling of 131033012 in words is "one hundred thirty-one million, thirty-three thousand, twelve".
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