Base | Representation |
---|---|
bin | 111110111100101… |
… | …1010100100010110 |
3 | 12110012111000211212 |
4 | 1331321122210112 |
5 | 13311210444110 |
6 | 545331501422 |
7 | 103225300220 |
oct | 17571324426 |
9 | 5405430755 |
10 | 2112203030 |
11 | 994313443 |
12 | 4ab457872 |
13 | 2787a13a2 |
14 | 160745410 |
15 | c5677e05 |
hex | 7de5a916 |
2112203030 has 64 divisors (see below), whose sum is σ = 4463327232. Its totient is φ = 704661120.
The previous prime is 2112203003. The next prime is 2112203047. The reversal of 2112203030 is 303022112.
It is a happy number.
It is a super-2 number, since 2×21122030302 = 8922803279882361800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a junction number, because it is equal to n+sod(n) for n = 2112202996 and 2112203014.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 593717 + ... + 597263.
It is an arithmetic number, because the mean of its divisors is an integer number (69739488).
Almost surely, 22112203030 is an apocalyptic number.
2112203030 is an abundant number, since it is smaller than the sum of its proper divisors (2351124202).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2112203030 is a wasteful number, since it uses less digits than its factorization.
2112203030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3789.
The product of its (nonzero) digits is 72, while the sum is 14.
The square root of 2112203030 is about 45958.7100558752. The cubic root of 2112203030 is about 1283.0548434143.
Adding to 2112203030 its reverse (303022112), we get a palindrome (2415225142).
The spelling of 2112203030 in words is "two billion, one hundred twelve million, two hundred three thousand, thirty".
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