Base | Representation |
---|---|
bin | 110111110010100… |
… | …0111010000011100 |
3 | 11211110111110021101 |
4 | 1233211013100130 |
5 | 12313213000103 |
6 | 505431242444 |
7 | 64250511013 |
oct | 15745072034 |
9 | 4743443241 |
10 | 1872000028 |
11 | 880771368 |
12 | 442b19424 |
13 | 23aaac032 |
14 | 13a899a7a |
15 | ae52ba1d |
hex | 6f94741c |
1872000028 has 12 divisors (see below), whose sum is σ = 3320877280. Its totient is φ = 923177952.
The previous prime is 1871999981. The next prime is 1872000029. The reversal of 1872000028 is 8200002781.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1872000029) 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, 3205188 + ... + 3205771.
Almost surely, 21872000028 is an apocalyptic number.
It is an amenable number.
1872000028 is a deficient number, since it is larger than the sum of its proper divisors (1448877252).
1872000028 is a wasteful number, since it uses less digits than its factorization.
1872000028 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6411036 (or 6411034 counting only the distinct ones).
The product of its (nonzero) digits is 1792, while the sum is 28.
The square root of 1872000028 is about 43266.6156291430. The cubic root of 1872000028 is about 1232.4480356945.
The spelling of 1872000028 in words is "one billion, eight hundred seventy-two million, twenty-eight", and thus it is an aban number.
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