| Base | Representation |
|---|---|
| bin | 100000110100110… |
| … | …0101011000001000 |
| 3 | 2211202111221020211 |
| 4 | 1001221211120020 |
| 5 | 4223430420130 |
| 6 | 301143130504 |
| 7 | 36202626100 |
| oct | 10151453010 |
| 9 | 2752457224 |
| 10 | 1101420040 |
| 11 | 5157a51a6 |
| 12 | 268a43a34 |
| 13 | 14725a146 |
| 14 | a63cc200 |
| 15 | 66a66a2a |
| hex | 41a65608 |
1101420040 has 96 divisors (see below), whose sum is σ = 2908894680. Its totient is φ = 374212608.
The previous prime is 1101420037. The next prime is 1101420041. The reversal of 1101420040 is 400241011.
It can be written as a sum of positive squares in 4 ways, for example, as 628705476 + 472714564 = 25074^2 + 21742^2 .
It is a super-2 number, since 2×11014200402 = 2426252209027203200, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 1101420040.
It is not an unprimeable number, because it can be changed into a prime (1101420041) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 218994 + ... + 223966.
Almost surely, 21101420040 is an apocalyptic number.
1101420040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1101420040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1454447340).
1101420040 is an abundant number, since it is smaller than the sum of its proper divisors (1807474640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1101420040 is a wasteful number, since it uses less digits than its factorization.
1101420040 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5111 (or 5100 counting only the distinct ones).
The product of its (nonzero) digits is 32, while the sum is 13.
The square root of 1101420040 is about 33187.6489073872. The cubic root of 1101420040 is about 1032.7241302192.
Adding to 1101420040 its reverse (400241011), we get a palindrome (1501661051).
The spelling of 1101420040 in words is "one billion, one hundred one million, four hundred twenty thousand, forty".
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