Base | Representation |
---|---|
bin | 10001101011101010011… |
… | …101101010101101011101 |
3 | 11022011102102011100200211 |
4 | 101223222131222231131 |
5 | 124402023243020013 |
6 | 2330114343052421 |
7 | 153534445115422 |
oct | 21535235525535 |
9 | 4264372140624 |
10 | 1215114423133 |
11 | 429366460986 |
12 | 1775b7441111 |
13 | 8a77aa57450 |
14 | 42b51a15d49 |
15 | 2191baa323d |
hex | 11aea76ab5d |
1215114423133 has 16 divisors (see below), whose sum is σ = 1309682799936. Its totient is φ = 1120703351040.
The previous prime is 1215114423073. The next prime is 1215114423139. The reversal of 1215114423133 is 3313244115121.
It is a happy number.
It is a de Polignac number, because none of the positive numbers 2k-1215114423133 is a prime.
It is a super-2 number, since 2×12151144231332 (a number of 25 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1215114423095 and 1215114423104.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1215114423139) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94020810 + ... + 94033732.
It is an arithmetic number, because the mean of its divisors is an integer number (81855174996).
Almost surely, 21215114423133 is an apocalyptic number.
1215114423133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
1215114423133 is a deficient number, since it is larger than the sum of its proper divisors (94568376803).
1215114423133 is a wasteful number, since it uses less digits than its factorization.
1215114423133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18444.
The product of its digits is 8640, while the sum is 31.
Adding to 1215114423133 its reverse (3313244115121), we get a palindrome (4528358538254).
The spelling of 1215114423133 in words is "one trillion, two hundred fifteen billion, one hundred fourteen million, four hundred twenty-three thousand, one hundred thirty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •