Base | Representation |
---|---|
bin | 1111101100100… |
… | …01101100010010 |
3 | 100011202110120112 |
4 | 13312101230102 |
5 | 232201400004 |
6 | 21022041322 |
7 | 3156110630 |
oct | 766215422 |
9 | 304673515 |
10 | 131668754 |
11 | 68361758 |
12 | 38119242 |
13 | 21381209 |
14 | 136b6350 |
15 | b85ce6e |
hex | 7d91b12 |
131668754 has 16 divisors (see below), whose sum is σ = 225930048. Its totient is φ = 56376432.
The previous prime is 131668741. The next prime is 131668759. The reversal of 131668754 is 457866131.
It is not an unprimeable number, because it can be changed into a prime (131668759) 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, 13517 + ... + 21119.
It is an arithmetic number, because the mean of its divisors is an integer number (14120628).
Almost surely, 2131668754 is an apocalyptic number.
131668754 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
131668754 is a deficient number, since it is larger than the sum of its proper divisors (94261294).
131668754 is a wasteful number, since it uses less digits than its factorization.
131668754 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8849.
The product of its digits is 120960, while the sum is 41.
The square root of 131668754 is about 11474.7006061160. The cubic root of 131668754 is about 508.7380745252.
The spelling of 131668754 in words is "one hundred thirty-one million, six hundred sixty-eight thousand, seven hundred fifty-four".
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