Base | Representation |
---|---|
bin | 101111001000010011… |
… | …0010111001001111111 |
3 | 100200020111220001102100 |
4 | 1132100212113021333 |
5 | 3124234304120411 |
6 | 114254554200143 |
7 | 10212040463055 |
oct | 1362046271177 |
9 | 320214801370 |
10 | 101210223231 |
11 | 39a17594797 |
12 | 17747123053 |
13 | 970c473270 |
14 | 4c81a921d5 |
15 | 29755e4456 |
hex | 179099727f |
101210223231 has 48 divisors (see below), whose sum is σ = 167364156960. Its totient is φ = 58385664000.
The previous prime is 101210223223. The next prime is 101210223253. The reversal of 101210223231 is 132322012101.
101210223231 is a `hidden beast` number, since 1 + 0 + 1 + 210 + 223 + 231 = 666.
It is not a de Polignac number, because 101210223231 - 23 = 101210223223 is a prime.
It is a super-4 number, since 4×1012102232314 (a number of 45 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (101210223221) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 397875 + ... + 600603.
It is an arithmetic number, because the mean of its divisors is an integer number (3486753270).
Almost surely, 2101210223231 is an apocalyptic number.
101210223231 is a deficient number, since it is larger than the sum of its proper divisors (66153933729).
101210223231 is a wasteful number, since it uses less digits than its factorization.
101210223231 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 203016 (or 203013 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 18.
Adding to 101210223231 its reverse (132322012101), we get a palindrome (233532235332).
The spelling of 101210223231 in words is "one hundred one billion, two hundred ten million, two hundred twenty-three thousand, two hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •