| Base | Representation |
|---|---|
| bin | 101001110000011… |
| … | …0100001001100100 |
| 3 | 10121122102211011012 |
| 4 | 1103200310021210 |
| 5 | 10332141024030 |
| 6 | 351010401352 |
| 7 | 46502151062 |
| oct | 12340641144 |
| 9 | 3548384135 |
| 10 | 1401111140 |
| 11 | 6599885a0 |
| 12 | 331290258 |
| 13 | 19437a460 |
| 14 | d4121032 |
| 15 | 83014095 |
| hex | 53834264 |
1401111140 has 96 divisors (see below), whose sum is σ = 3537426816. Its totient is φ = 459325440.
The previous prime is 1401111137. The next prime is 1401111143. The reversal of 1401111140 is 411111041.
It is an interprime number because it is at equal distance from previous prime (1401111137) and next prime (1401111143).
It is a super-2 number, since 2×14011111402 = 3926224853264199200, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (1401111143) 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, 117284 + ... + 128676.
It is an arithmetic number, because the mean of its divisors is an integer number (36848196).
Almost surely, 21401111140 is an apocalyptic number.
1401111140 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 1401111140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1768713408).
1401111140 is an abundant number, since it is smaller than the sum of its proper divisors (2136315676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1401111140 is a wasteful number, since it uses less digits than its factorization.
1401111140 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11469 (or 11467 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 14.
The square root of 1401111140 is about 37431.4191555704. The cubic root of 1401111140 is about 1118.9848209686.
Adding to 1401111140 its reverse (411111041), we get a palindrome (1812222181).
Subtracting from 1401111140 its reverse (411111041), we obtain a palindrome (990000099).
The spelling of 1401111140 in words is "one billion, four hundred one million, one hundred eleven thousand, one hundred forty".
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