Base | Representation |
---|---|
bin | 111001100001100… |
… | …1010111100101000 |
3 | 11222112000212212110 |
4 | 1303003022330220 |
5 | 12423113223422 |
6 | 515311042320 |
7 | 65555344434 |
oct | 16303127450 |
9 | 4875025773 |
10 | 1930211112 |
11 | 9006101a5 |
12 | 45a5103a0 |
13 | 249b8096b |
14 | 1444cd9c4 |
15 | b46c960c |
hex | 730caf28 |
1930211112 has 32 divisors (see below), whose sum is σ = 4893497280. Its totient is φ = 634341120.
The previous prime is 1930211057. The next prime is 1930211119. The reversal of 1930211112 is 2111120391.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (1930211119) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 564673 + ... + 568080.
It is an arithmetic number, because the mean of its divisors is an integer number (152921790).
Almost surely, 21930211112 is an apocalyptic number.
1930211112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
1930211112 is an abundant number, since it is smaller than the sum of its proper divisors (2963286168).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1930211112 is a wasteful number, since it uses less digits than its factorization.
1930211112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1132833 (or 1132829 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 21.
The square root of 1930211112 is about 43934.1679333978. The cubic root of 1930211112 is about 1245.0924619641.
The spelling of 1930211112 in words is "one billion, nine hundred thirty million, two hundred eleven thousand, one hundred twelve".
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