| Base | Representation |
|---|---|
| bin | 100010000010111… |
| … | …1100111111010100 |
| 3 | 2221121122111120200 |
| 4 | 1010011330333110 |
| 5 | 4314424124340 |
| 6 | 305205500500 |
| 7 | 40211222646 |
| oct | 10405747724 |
| 9 | 2847574520 |
| 10 | 1142411220 |
| 11 | 536952505 |
| 12 | 27a711730 |
| 13 | 1528acb92 |
| 14 | aba1c896 |
| 15 | 6a462330 |
| hex | 4417cfd4 |
1142411220 has 108 divisors (see below), whose sum is σ = 3681314364. Its totient is φ = 286709760.
The previous prime is 1142411183. The next prime is 1142411227. The reversal of 1142411220 is 221142411.
1142411220 is a `hidden beast` number, since 11 + 424 + 11 + 220 = 666.
It can be written as a sum of positive squares in 6 ways, for example, as 156200004 + 986211216 = 12498^2 + 31404^2 .
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 1142411193 and 1142411202.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1142411227) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 41040 + ... + 63000.
Almost surely, 21142411220 is an apocalyptic number.
1142411220 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 1142411220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1840657182).
1142411220 is an abundant number, since it is smaller than the sum of its proper divisors (2538903144).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1142411220 is a wasteful number, since it uses less digits than its factorization.
1142411220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 22010 (or 21988 counting only the distinct ones).
The product of its (nonzero) digits is 128, while the sum is 18.
The square root of 1142411220 is about 33799.5742576737. The cubic root of 1142411220 is about 1045.3799187884.
Adding to 1142411220 its reverse (221142411), we get a palindrome (1363553631).
The spelling of 1142411220 in words is "one billion, one hundred forty-two million, four hundred eleven thousand, two hundred twenty".
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