Base | Representation |
---|---|
bin | 111010000101101… |
… | …0001101001100010 |
3 | 12000211121012021210 |
4 | 1310023101221202 |
5 | 12442433103210 |
6 | 521224130550 |
7 | 66205120662 |
oct | 16413215142 |
9 | 5024535253 |
10 | 1949112930 |
11 | 910250436 |
12 | 464906a56 |
13 | 250a6b27b |
14 | 146c101a2 |
15 | b61aee20 |
hex | 742d1a62 |
1949112930 has 32 divisors (see below), whose sum is σ = 4720795200. Its totient is φ = 514994112.
The previous prime is 1949112923. The next prime is 1949112959. The reversal of 1949112930 is 392119491.
It is a Curzon number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294760 + ... + 301299.
It is an arithmetic number, because the mean of its divisors is an integer number (147524850).
Almost surely, 21949112930 is an apocalyptic number.
1949112930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1949112930 is an abundant number, since it is smaller than the sum of its proper divisors (2771682270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1949112930 is a wasteful number, since it uses less digits than its factorization.
1949112930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 596178.
The product of its (nonzero) digits is 17496, while the sum is 39.
The square root of 1949112930 is about 44148.7590992091. The cubic root of 1949112930 is about 1249.1435050004.
The spelling of 1949112930 in words is "one billion, nine hundred forty-nine million, one hundred twelve thousand, nine hundred thirty".
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