Base | Representation |
---|---|
bin | 101111001000101011… |
… | …1110110101001101101 |
3 | 100200021102022012111011 |
4 | 1132101113312221231 |
5 | 3124301114303133 |
6 | 114300140225221 |
7 | 10212255660241 |
oct | 1362127665155 |
9 | 320242265434 |
10 | 101223197293 |
11 | 39a23946359 |
12 | 1774b53b211 |
13 | 971206671a |
14 | 4c836ac421 |
15 | 29768086cd |
hex | 17915f6a6d |
101223197293 has 8 divisors (see below), whose sum is σ = 105383057528. Its totient is φ = 97138289664.
The previous prime is 101223197279. The next prime is 101223197329. The reversal of 101223197293 is 392791322101.
It can be written as a sum of positive squares in 4 ways, for example, as 37994586084 + 63228611209 = 194922^2 + 251453^2 .
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-101223197293 is a prime.
It is a super-2 number, since 2×1012231972932 (a number of 23 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101223197203) 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, 18735396 + ... + 18740797.
It is an arithmetic number, because the mean of its divisors is an integer number (13172882191).
Almost surely, 2101223197293 is an apocalyptic number.
It is an amenable number.
101223197293 is a deficient number, since it is larger than the sum of its proper divisors (4159860235).
101223197293 is an equidigital number, since it uses as much as digits as its factorization.
101223197293 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37476303.
The product of its (nonzero) digits is 40824, while the sum is 40.
The spelling of 101223197293 in words is "one hundred one billion, two hundred twenty-three million, one hundred ninety-seven thousand, two hundred ninety-three".
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