Base | Representation |
---|---|
bin | 111101001100101010… |
… | …0000110001001110011 |
3 | 110120012222011201220022 |
4 | 1322121110012021303 |
5 | 4123122311413021 |
6 | 140212444234055 |
7 | 12331511530352 |
oct | 1723124061163 |
9 | 416188151808 |
10 | 131421201011 |
11 | 5080a929521 |
12 | 2157883b92b |
13 | c515467289 |
14 | 650a139999 |
15 | 36429e51ab |
hex | 1e99506273 |
131421201011 has 8 divisors (see below), whose sum is σ = 143640630144. Its totient is φ = 119700524160.
The previous prime is 131421201007. The next prime is 131421201083. The reversal of 131421201011 is 110102124131.
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 131421201011 - 22 = 131421201007 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is not an unprimeable number, because it can be changed into a prime (131421201091) 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, 124687520 + ... + 124688573.
It is an arithmetic number, because the mean of its divisors is an integer number (17955078768).
Almost surely, 2131421201011 is an apocalyptic number.
131421201011 is a deficient number, since it is larger than the sum of its proper divisors (12219429133).
131421201011 is a wasteful number, since it uses less digits than its factorization.
131421201011 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 249376141.
The product of its (nonzero) digits is 48, while the sum is 17.
Adding to 131421201011 its reverse (110102124131), we get a palindrome (241523325142).
The spelling of 131421201011 in words is "one hundred thirty-one billion, four hundred twenty-one million, two hundred one thousand, eleven".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •