Base | Representation |
---|---|
bin | 111110111010110… |
… | …1101110001100000 |
3 | 12110010122202101021 |
4 | 1331311231301200 |
5 | 13310433424440 |
6 | 545255015224 |
7 | 103214120413 |
oct | 17565556140 |
9 | 5403582337 |
10 | 2111233120 |
11 | 993810767 |
12 | 4ab06a514 |
13 | 278521a89 |
14 | 160571b7a |
15 | c553584a |
hex | 7dd6dc60 |
2111233120 has 24 divisors (see below), whose sum is σ = 4987788624. Its totient is φ = 844493184.
The previous prime is 2111233087. The next prime is 2111233123. The reversal of 2111233120 is 213321112.
It is a Harshad number since it is a multiple of its sum of digits (16).
It is a junction number, because it is equal to n+sod(n) for n = 2111233094 and 2111233103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2111233123) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6597444 + ... + 6597763.
It is an arithmetic number, because the mean of its divisors is an integer number (207824526).
Almost surely, 22111233120 is an apocalyptic number.
2111233120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2111233120 is an abundant number, since it is smaller than the sum of its proper divisors (2876555504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2111233120 is a wasteful number, since it uses less digits than its factorization.
2111233120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13195222 (or 13195214 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 16.
The square root of 2111233120 is about 45948.1568727191. The cubic root of 2111233120 is about 1282.8584231783.
Adding to 2111233120 its reverse (213321112), we get a palindrome (2324554232).
The spelling of 2111233120 in words is "two billion, one hundred eleven million, two hundred thirty-three thousand, one hundred twenty".
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