Base | Representation |
---|---|
bin | 111001111001101… |
… | …0101001010011100 |
3 | 12000101210021210000 |
4 | 1303303111022130 |
5 | 12434331221433 |
6 | 520441414300 |
7 | 66100555341 |
oct | 16363251234 |
9 | 5011707700 |
10 | 1942835868 |
11 | 907753386 |
12 | 46279a390 |
13 | 24c68112c |
14 | 1460587c8 |
15 | b5870113 |
hex | 73cd529c |
1942835868 has 30 divisors (see below), whose sum is σ = 5078957576. Its totient is φ = 647611848.
The previous prime is 1942835857. The next prime is 1942835879. The reversal of 1942835868 is 8685382491.
1942835868 is a `hidden beast` number, since 19 + 42 + 8 + 3 + 586 + 8 = 666.
It is an interprime number because it is at equal distance from previous prime (1942835857) and next prime (1942835879).
It is a super-2 number, since 2×19428358682 = 7549222419974626848, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is a congruent number.
It is an unprimeable number.
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 in 9 ways as a sum of consecutive naturals, for example, 2997880 + ... + 2998527.
Almost surely, 21942835868 is an apocalyptic number.
1942835868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
1942835868 is an abundant number, since it is smaller than the sum of its proper divisors (3136121708).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1942835868 is a wasteful number, since it uses less digits than its factorization.
1942835868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5996423 (or 5996412 counting only the distinct ones).
The product of its digits is 3317760, while the sum is 54.
The square root of 1942835868 is about 44077.6118681582. The cubic root of 1942835868 is about 1247.8011193807.
The spelling of 1942835868 in words is "one billion, nine hundred forty-two million, eight hundred thirty-five thousand, eight hundred sixty-eight".
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