Base | Representation |
---|---|
bin | 100100010110001… |
… | …1000111011111100 |
3 | 10010222212220020021 |
4 | 1020230120323330 |
5 | 4444204033103 |
6 | 321004101524 |
7 | 42136252360 |
oct | 11054307374 |
9 | 3128786207 |
10 | 1219596028 |
11 | 576480602 |
12 | 2a05348a4 |
13 | 165895a71 |
14 | b7d912a0 |
15 | 7210bbbd |
hex | 48b18efc |
1219596028 has 12 divisors (see below), whose sum is σ = 2439192112. Its totient is φ = 522684000.
The previous prime is 1219596023. The next prime is 1219596029. The reversal of 1219596028 is 8206959121.
1219596028 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1219596023) 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, 21778473 + ... + 21778528.
Almost surely, 21219596028 is an apocalyptic number.
It is an amenable number.
1219596028 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1219596028 is a wasteful number, since it uses less digits than its factorization.
1219596028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 43557012 (or 43557010 counting only the distinct ones).
The product of its (nonzero) digits is 77760, while the sum is 43.
The square root of 1219596028 is about 34922.7150719986. The cubic root of 1219596028 is about 1068.4117783060.
The spelling of 1219596028 in words is "one billion, two hundred nineteen million, five hundred ninety-six thousand, twenty-eight".
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