Base | Representation |
---|---|
bin | 110111101100110… |
… | …1101100000011100 |
3 | 11211020212121001121 |
4 | 1233121231200130 |
5 | 12311431322342 |
6 | 505243220324 |
7 | 64213221403 |
oct | 15731554034 |
9 | 4736777047 |
10 | 1869010972 |
11 | 87a00a674 |
12 | 441b176a4 |
13 | 23a2a366a |
14 | 13a31c63a |
15 | ae13b067 |
hex | 6f66d81c |
1869010972 has 6 divisors (see below), whose sum is σ = 3270769208. Its totient is φ = 934505484.
The previous prime is 1869010963. The next prime is 1869010973. The reversal of 1869010972 is 2790109681.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1869010973) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 233626368 + ... + 233626375.
Almost surely, 21869010972 is an apocalyptic number.
It is an amenable number.
1869010972 is a deficient number, since it is larger than the sum of its proper divisors (1401758236).
1869010972 is a wasteful number, since it uses less digits than its factorization.
1869010972 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 467252747 (or 467252745 counting only the distinct ones).
The product of its (nonzero) digits is 54432, while the sum is 43.
The square root of 1869010972 is about 43232.0595391892. The cubic root of 1869010972 is about 1231.7917289682.
The spelling of 1869010972 in words is "one billion, eight hundred sixty-nine million, ten thousand, nine hundred seventy-two".
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