Base | Representation |
---|---|
bin | 1111101000100… |
… | …11000011011111 |
3 | 100010210010001011 |
4 | 13310103003133 |
5 | 232033300142 |
6 | 21003000051 |
7 | 3151520440 |
oct | 764230337 |
9 | 303703034 |
10 | 131150047 |
11 | 68037a76 |
12 | 37b09027 |
13 | 2122c0a2 |
14 | 135bd2c7 |
15 | b7a9417 |
hex | 7d130df |
131150047 has 8 divisors (see below), whose sum is σ = 149962752. Its totient is φ = 112356600.
The previous prime is 131150039. The next prime is 131150051. The reversal of 131150047 is 740051131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 131150047 - 23 = 131150039 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (131150017) 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, 15522 + ... + 22432.
It is an arithmetic number, because the mean of its divisors is an integer number (18745344).
Almost surely, 2131150047 is an apocalyptic number.
131150047 is a deficient number, since it is larger than the sum of its proper divisors (18812705).
131150047 is an equidigital number, since it uses as much as digits as its factorization.
131150047 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9629.
The product of its (nonzero) digits is 420, while the sum is 22.
The square root of 131150047 is about 11452.0760999917. The cubic root of 131150047 is about 508.0691401027.
The spelling of 131150047 in words is "one hundred thirty-one million, one hundred fifty thousand, forty-seven".
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