Base | Representation |
---|---|
bin | 101111001011110111… |
… | …1110001100001001101 |
3 | 100200112212111222222121 |
4 | 1132113233301201031 |
5 | 3130011003143041 |
6 | 114314520212541 |
7 | 10215024621340 |
oct | 1362757614115 |
9 | 320485458877 |
10 | 101330131021 |
11 | 39a79243239 |
12 | 1777b30a151 |
13 | 972b267212 |
14 | 4c93986457 |
15 | 2980dcc7d1 |
hex | 1797bf184d |
101330131021 has 8 divisors (see below), whose sum is σ = 119799169920. Its totient is φ = 83859418608.
The previous prime is 101330131009. The next prime is 101330131037. The reversal of 101330131021 is 120131033101.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 101330131021 - 211 = 101330128973 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 101330130986 and 101330131004.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101330131621) 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, 249581401 + ... + 249581806.
It is an arithmetic number, because the mean of its divisors is an integer number (14974896240).
Almost surely, 2101330131021 is an apocalyptic number.
It is an amenable number.
101330131021 is a deficient number, since it is larger than the sum of its proper divisors (18469038899).
101330131021 is an equidigital number, since it uses as much as digits as its factorization.
101330131021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 499163243.
The product of its (nonzero) digits is 54, while the sum is 16.
Adding to 101330131021 its reverse (120131033101), we get a palindrome (221461164122).
The spelling of 101330131021 in words is "one hundred one billion, three hundred thirty million, one hundred thirty-one thousand, twenty-one".
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