Base | Representation |
---|---|
bin | 100001011110000… |
… | …0000000011111100 |
3 | 2220021011120220000 |
4 | 1002330000003330 |
5 | 4244443301043 |
6 | 303234154300 |
7 | 36554361540 |
oct | 10274000374 |
9 | 2807146800 |
10 | 1123025148 |
11 | 526a11463 |
12 | 274122990 |
13 | 14b88302b |
14 | a9213a20 |
15 | 688d32d3 |
hex | 42f000fc |
1123025148 has 60 divisors (see below), whose sum is σ = 3355217712. Its totient is φ = 320863680.
The previous prime is 1123025143. The next prime is 1123025149. The reversal of 1123025148 is 8415203211.
1123025148 is a `hidden beast` number, since 112 + 30 + 2 + 514 + 8 = 666.
It is a super-2 number, since 2×11230251482 = 2522370966080843808, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1123025143) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 245313 + ... + 249848.
Almost surely, 21123025148 is an apocalyptic number.
1123025148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
1123025148 is an abundant number, since it is smaller than the sum of its proper divisors (2232192564).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1123025148 is a wasteful number, since it uses less digits than its factorization.
1123025148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 495184 (or 495173 counting only the distinct ones).
The product of its (nonzero) digits is 1920, while the sum is 27.
The square root of 1123025148 is about 33511.5673760569. The cubic root of 1123025148 is about 1039.4329835671.
Adding to 1123025148 its reverse (8415203211), we get a palindrome (9538228359).
The spelling of 1123025148 in words is "one billion, one hundred twenty-three million, twenty-five thousand, one hundred forty-eight".
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