| Base | Representation |
|---|---|
| bin | 100110110001101… |
| … | …0110100110000100 |
| 3 | 10100200021101210112 |
| 4 | 1031203112212010 |
| 5 | 10131041110340 |
| 6 | 333035212152 |
| 7 | 44146165001 |
| oct | 11543264604 |
| 9 | 3320241715 |
| 10 | 1301113220 |
| 11 | 608498690 |
| 12 | 3038a7058 |
| 13 | 1797378a4 |
| 14 | c4b308a8 |
| 15 | 79360065 |
| hex | 4d8d6984 |
1301113220 has 96 divisors (see below), whose sum is σ = 3177086976. Its totient is φ = 442851200.
The previous prime is 1301113181. The next prime is 1301113223. The reversal of 1301113220 is 223111031.
It is a super-2 number, since 2×13011132202 = 3385791222517536800, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1301113195 and 1301113204.
It is not an unprimeable number, because it can be changed into a prime (1301113223) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 235085 + ... + 240555.
It is an arithmetic number, because the mean of its divisors is an integer number (33094656).
Almost surely, 21301113220 is an apocalyptic number.
1301113220 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 1301113220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1588543488).
1301113220 is an abundant number, since it is smaller than the sum of its proper divisors (1875973756).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1301113220 is a wasteful number, since it uses less digits than its factorization.
1301113220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5561 (or 5559 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 14.
The square root of 1301113220 is about 36070.9470349754. The cubic root of 1301113220 is about 1091.7043224843.
Adding to 1301113220 its reverse (223111031), we get a palindrome (1524224251).
It can be divided in two parts, 130111 and 3220, that added together give a palindrome (133331).
The spelling of 1301113220 in words is "one billion, three hundred one million, one hundred thirteen thousand, two hundred twenty".
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