Base | Representation |
---|---|
bin | 100001100000000… |
… | …0111001001000000 |
3 | 2220100012100001002 |
4 | 1003000013021000 |
5 | 4300232241340 |
6 | 303313231132 |
7 | 36566500256 |
oct | 10300071100 |
9 | 2810170032 |
10 | 1124102720 |
11 | 527588014 |
12 | 2745624a8 |
13 | 14bb6c650 |
14 | a94145d6 |
15 | 68a47715 |
hex | 43007240 |
1124102720 has 56 divisors (see below), whose sum is σ = 2882685624. Its totient is φ = 415051776.
The previous prime is 1124102701. The next prime is 1124102723. The reversal of 1124102720 is 272014211.
It can be written as a sum of positive squares in 4 ways, for example, as 1048576 + 1123054144 = 1024^2 + 33512^2 .
It is a super-3 number, since 3×11241027203 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 1124102692 and 1124102701.
It is not an unprimeable number, because it can be changed into a prime (1124102723) 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, 130949 + ... + 139268.
It is an arithmetic number, because the mean of its divisors is an integer number (51476529).
Almost surely, 21124102720 is an apocalyptic number.
1124102720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
1124102720 is an abundant number, since it is smaller than the sum of its proper divisors (1758582904).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1124102720 is a wasteful number, since it uses less digits than its factorization.
1124102720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 270247 (or 270237 counting only the distinct ones).
The product of its (nonzero) digits is 224, while the sum is 20.
The square root of 1124102720 is about 33527.6411338466. The cubic root of 1124102720 is about 1039.7653316682.
Adding to 1124102720 its reverse (272014211), we get a palindrome (1396116931).
The spelling of 1124102720 in words is "one billion, one hundred twenty-four million, one hundred two thousand, seven hundred twenty".
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