| Base | Representation |
|---|---|
| bin | 11110110110011010100… |
| … | …111111010011110011000 |
| 3 | 21111200010100112112002000 |
| 4 | 132312122213322132120 |
| 5 | 234213241314000240 |
| 6 | 4301530500441000 |
| 7 | 306110620303452 |
| oct | 36663247723630 |
| 9 | 7450110475060 |
| 10 | 2120013031320 |
| 11 | 7481020a6598 |
| 12 | 2a2a580a9160 |
| 13 | 124bbb361c82 |
| 14 | 748758292d2 |
| 15 | 3a22e1a9430 |
| hex | 1ed9a9fa798 |
2120013031320 has 128 divisors (see below), whose sum is σ = 7072248542400. Its totient is φ = 564893733888.
The previous prime is 2120013031319. The next prime is 2120013031321. The reversal of 2120013031320 is 231303100212.
2120013031320 is a `hidden beast` number, since 2 + 1 + 200 + 130 + 313 + 20 = 666.
It is an interprime number because it is at equal distance from previous prime (2120013031319) and next prime (2120013031321).
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 = 2120013031293 and 2120013031302.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2120013031321) 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, 610572 + ... + 2147748.
Almost surely, 22120013031320 is an apocalyptic number.
2120013031320 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 2120013031320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3536124271200).
2120013031320 is an abundant number, since it is smaller than the sum of its proper divisors (4952235511080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2120013031320 is a wasteful number, since it uses less digits than its factorization.
2120013031320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1538474 (or 1538464 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 2120013031320 its reverse (231303100212), we get a palindrome (2351316131532).
The spelling of 2120013031320 in words is "two trillion, one hundred twenty billion, thirteen million, thirty-one thousand, three hundred twenty".
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