Base | Representation |
---|---|
bin | 101111000010101000… |
… | …1111010011011101001 |
3 | 100122202021112121222222 |
4 | 1132011101322123221 |
5 | 3123342200011241 |
6 | 114224051523425 |
7 | 10204243331624 |
oct | 1360521723351 |
9 | 318667477888 |
10 | 101020313321 |
11 | 3992a373654 |
12 | 176b35b9575 |
13 | 96ac00c835 |
14 | 4c64778dbb |
15 | 2963acea4b |
hex | 178547a6e9 |
101020313321 has 8 divisors (see below), whose sum is σ = 103511896488. Its totient is φ = 98530048000.
The previous prime is 101020313281. The next prime is 101020313363. The reversal of 101020313321 is 123313020101.
It can be written as a sum of positive squares in 4 ways, for example, as 949317721 + 100070995600 = 30811^2 + 316340^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-101020313321 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 101020313321.
It is not an unprimeable number, because it can be changed into a prime (101020313921) 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, 173360 + ... + 481761.
It is an arithmetic number, because the mean of its divisors is an integer number (12938987061).
Almost surely, 2101020313321 is an apocalyptic number.
It is an amenable number.
101020313321 is a deficient number, since it is larger than the sum of its proper divisors (2491583167).
101020313321 is an equidigital number, since it uses as much as digits as its factorization.
101020313321 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 658923.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 101020313321 its reverse (123313020101), we get a palindrome (224333333422).
The spelling of 101020313321 in words is "one hundred one billion, twenty million, three hundred thirteen thousand, three hundred twenty-one".
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