Base | Representation |
---|---|
bin | 100100011100111… |
… | …1101110111010001 |
3 | 10011020120201102201 |
4 | 1020321331313101 |
5 | 10001111431103 |
6 | 321212243201 |
7 | 42211435003 |
oct | 11071756721 |
9 | 3136521381 |
10 | 1223155153 |
11 | 578491630 |
12 | 2a1770501 |
13 | 166540a5c |
14 | b863a373 |
15 | 725b151d |
hex | 48e7ddd1 |
1223155153 has 16 divisors (see below), whose sum is σ = 1412740800. Its totient is φ = 1047314880.
The previous prime is 1223155123. The next prime is 1223155177. The reversal of 1223155153 is 3515513221.
It is a cyclic number.
It is not a de Polignac number, because 1223155153 - 25 = 1223155121 is a prime.
It is a super-2 number, since 2×12231551532 = 2992217056620906818, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1223155123) 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, 19243 + ... + 53071.
It is an arithmetic number, because the mean of its divisors is an integer number (88296300).
Almost surely, 21223155153 is an apocalyptic number.
It is an amenable number.
1223155153 is a deficient number, since it is larger than the sum of its proper divisors (189585647).
1223155153 is a wasteful number, since it uses less digits than its factorization.
1223155153 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34032.
The product of its digits is 4500, while the sum is 28.
The square root of 1223155153 is about 34973.6351127531. The cubic root of 1223155153 is about 1069.4500778572.
Adding to 1223155153 its reverse (3515513221), we get a palindrome (4738668374).
The spelling of 1223155153 in words is "one billion, two hundred twenty-three million, one hundred fifty-five thousand, one hundred fifty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •