Base | Representation |
---|---|
bin | 1100110100010110001… |
… | …1010110000100010111 |
3 | 210001101211101111211020 |
4 | 3031011203112010113 |
5 | 12101442304203211 |
6 | 245055125212223 |
7 | 21624005014020 |
oct | 3150543260427 |
9 | 701354344736 |
10 | 220210225431 |
11 | 85432a27749 |
12 | 36817b61073 |
13 | 179c5421451 |
14 | a93028bc47 |
15 | 5adc8b9306 |
hex | 33458d6117 |
220210225431 has 8 divisors (see below), whose sum is σ = 335558438784. Its totient is φ = 125834414520.
The previous prime is 220210225423. The next prime is 220210225447. The reversal of 220210225431 is 134522012022.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 220210225431 - 23 = 220210225423 is a prime.
It is a super-2 number, since 2×2202102254312 (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 (220210225531) 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, 5243100585 + ... + 5243100626.
It is an arithmetic number, because the mean of its divisors is an integer number (41944804848).
Almost surely, 2220210225431 is an apocalyptic number.
220210225431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.
220210225431 is a deficient number, since it is larger than the sum of its proper divisors (115348213353).
220210225431 is a wasteful number, since it uses less digits than its factorization.
220210225431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10486201221.
The product of its (nonzero) digits is 1920, while the sum is 24.
Adding to 220210225431 its reverse (134522012022), we get a palindrome (354732237453).
The spelling of 220210225431 in words is "two hundred twenty billion, two hundred ten million, two hundred twenty-five thousand, four hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •