Base | Representation |
---|---|
bin | 1111100111100… |
… | …00111000011010 |
3 | 100010112000000222 |
4 | 13303300320122 |
5 | 232014310244 |
6 | 21000000042 |
7 | 3150365366 |
oct | 763607032 |
9 | 303460028 |
10 | 131010074 |
11 | 67a51898 |
12 | 37a60022 |
13 | 211b0470 |
14 | 135842a6 |
15 | b77cbee |
hex | 7cf0e1a |
131010074 has 8 divisors (see below), whose sum is σ = 211631700. Its totient is φ = 60466176.
The previous prime is 131010071. The next prime is 131010079. The reversal of 131010074 is 470010131.
It can be written as a sum of positive squares in 2 ways, for example, as 127531849 + 3478225 = 11293^2 + 1865^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (131010071) 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, 2519399 + ... + 2519450.
Almost surely, 2131010074 is an apocalyptic number.
131010074 is a deficient number, since it is larger than the sum of its proper divisors (80621626).
131010074 is a wasteful number, since it uses less digits than its factorization.
131010074 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5038864.
The product of its (nonzero) digits is 84, while the sum is 17.
The square root of 131010074 is about 11445.9632185325. The cubic root of 131010074 is about 507.8883261459. Note that the first 3 decimals are identical.
The spelling of 131010074 in words is "one hundred thirty-one million, ten thousand, seventy-four".
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