| Base | Representation |
|---|---|
| bin | 111111101000011… |
| … | …0001001111010100 |
| 3 | 12111210120102220102 |
| 4 | 1333100301033110 |
| 5 | 13333041234140 |
| 6 | 551510353232 |
| 7 | 103624033253 |
| oct | 17720611724 |
| 9 | 5453512812 |
| 10 | 2135102420 |
| 11 | 9a6234060 |
| 12 | 4b705b818 |
| 13 | 28045b419 |
| 14 | 1637c679a |
| 15 | c769ce15 |
| hex | 7f4313d4 |
2135102420 has 96 divisors (see below), whose sum is σ = 5404444416. Its totient is φ = 698931200.
The previous prime is 2135102341. The next prime is 2135102423. The reversal of 2135102420 is 242015312.
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 = 2135102392 and 2135102401.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2135102423) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73610 + ... + 98430.
It is an arithmetic number, because the mean of its divisors is an integer number (56296296).
Almost surely, 22135102420 is an apocalyptic number.
2135102420 is a gapful number since it is divisible by the number (20) 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 2135102420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2702222208).
2135102420 is an abundant number, since it is smaller than the sum of its proper divisors (3269341996).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2135102420 is a wasteful number, since it uses less digits than its factorization.
2135102420 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24881 (or 24879 counting only the distinct ones).
The product of its (nonzero) digits is 480, while the sum is 20.
The square root of 2135102420 is about 46207.1684914798. The cubic root of 2135102420 is about 1287.6749216575.
Adding to 2135102420 its reverse (242015312), we get a palindrome (2377117732).
The spelling of 2135102420 in words is "two billion, one hundred thirty-five million, one hundred two thousand, four hundred twenty".
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