Base | Representation |
---|---|
bin | 1111101001000… |
… | …00111110010111 |
3 | 100010220000020212 |
4 | 13310200332113 |
5 | 232042111223 |
6 | 21004120035 |
7 | 3152145611 |
oct | 764407627 |
9 | 303800225 |
10 | 131207063 |
11 | 68076899 |
12 | 37b3601b |
13 | 2124c020 |
14 | 135d5db1 |
15 | b7bb278 |
hex | 7d20f97 |
131207063 has 4 divisors (see below), whose sum is σ = 141299928. Its totient is φ = 121114200.
The previous prime is 131207051. The next prime is 131207099. The reversal of 131207063 is 360702131.
It is a happy number.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 360702131 = 167 ⋅2159893.
It is a cyclic number.
It is not a de Polignac number, because 131207063 - 214 = 131190679 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 (131207023) 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, 5046413 + ... + 5046438.
It is an arithmetic number, because the mean of its divisors is an integer number (35324982).
Almost surely, 2131207063 is an apocalyptic number.
131207063 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
131207063 is a deficient number, since it is larger than the sum of its proper divisors (10092865).
131207063 is a wasteful number, since it uses less digits than its factorization.
131207063 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10092864.
The product of its (nonzero) digits is 756, while the sum is 23.
The square root of 131207063 is about 11454.5651597955. The cubic root of 131207063 is about 508.1427552073.
Adding to 131207063 its reverse (360702131), we get a palindrome (491909194).
The spelling of 131207063 in words is "one hundred thirty-one million, two hundred seven thousand, sixty-three".
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