Base | Representation |
---|---|
bin | 101110101010110110… |
… | …0101101010101111111 |
3 | 100120200122102200211122 |
4 | 1131111230231111333 |
5 | 3120223314444411 |
6 | 114012533541155 |
7 | 10145411131610 |
oct | 1352554552577 |
9 | 316618380748 |
10 | 100222031231 |
11 | 3955a7a6493 |
12 | 175101a47bb |
13 | 95b280b87a |
14 | 4bca739c07 |
15 | 29189969db |
hex | 1755b2d57f |
100222031231 has 8 divisors (see below), whose sum is σ = 120567857280. Its totient is φ = 81383303448.
The previous prime is 100222031197. The next prime is 100222031309. The reversal of 100222031231 is 132130222001.
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 100222031231 - 26 = 100222031167 is a prime.
It is a super-2 number, since 2×1002220312312 (a number of 23 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (100222021231) 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, 376774421 + ... + 376774686.
It is an arithmetic number, because the mean of its divisors is an integer number (15070982160).
Almost surely, 2100222031231 is an apocalyptic number.
100222031231 is a deficient number, since it is larger than the sum of its proper divisors (20345826049).
100222031231 is an equidigital number, since it uses as much as digits as its factorization.
100222031231 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 753549133.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 100222031231 its reverse (132130222001), we get a palindrome (232352253232).
The spelling of 100222031231 in words is "one hundred billion, two hundred twenty-two million, thirty-one thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •