Base | Representation |
---|---|
bin | 111101001100000100… |
… | …0101000110101100011 |
3 | 110120011120221202122010 |
4 | 1322120020220311203 |
5 | 4123102230421011 |
6 | 140210500244003 |
7 | 12331151433222 |
oct | 1723010506543 |
9 | 416146852563 |
10 | 131401420131 |
11 | 507aa748893 |
12 | 215720a0603 |
13 | c51132c807 |
14 | 650766acb9 |
15 | 3640dd91a6 |
hex | 1e98228d63 |
131401420131 has 8 divisors (see below), whose sum is σ = 175437699840. Its totient is φ = 87483043592.
The previous prime is 131401420127. The next prime is 131401420133. The reversal of 131401420131 is 131024104131.
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 131401420131 - 22 = 131401420127 is a prime.
It is a super-2 number, since 2×1314014201312 (a number of 23 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 131401420098 and 131401420107.
It is not an unprimeable number, because it can be changed into a prime (131401420133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29473191 + ... + 29477648.
It is an arithmetic number, because the mean of its divisors is an integer number (21929712480).
Almost surely, 2131401420131 is an apocalyptic number.
131401420131 is a deficient number, since it is larger than the sum of its proper divisors (44036279709).
131401420131 is an equidigital number, since it uses as much as digits as its factorization.
131401420131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 58951585.
The product of its (nonzero) digits is 288, while the sum is 21.
Adding to 131401420131 its reverse (131024104131), we get a palindrome (262425524262).
The spelling of 131401420131 in words is "one hundred thirty-one billion, four hundred one million, four hundred twenty thousand, one hundred thirty-one".
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