Base | Representation |
---|---|
bin | 100100010010101111… |
… | …110010001100001100 |
3 | 10201120211110120202211 |
4 | 210102233302030030 |
5 | 1114302110100100 |
6 | 25522513400204 |
7 | 2546456630560 |
oct | 442257621414 |
9 | 121524416684 |
10 | 38969221900 |
11 | 15588123214 |
12 | 7676869064 |
13 | 38a065a1ab |
14 | 1c5972b6a0 |
15 | 10312761ba |
hex | 912bf230c |
38969221900 has 36 divisors (see below), whose sum is σ = 96643672048. Its totient is φ = 13360875840.
The previous prime is 38969221871. The next prime is 38969221913. The reversal of 38969221900 is 912296983.
It is a super-2 number, since 2×389692219002 (a number of 22 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27834459 + ... + 27835858.
Almost surely, 238969221900 is an apocalyptic number.
It is an amenable number.
38969221900 is an abundant number, since it is smaller than the sum of its proper divisors (57674450148).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38969221900 is a wasteful number, since it uses less digits than its factorization.
38969221900 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55670338 (or 55670331 counting only the distinct ones).
The product of its (nonzero) digits is 419904, while the sum is 49.
The spelling of 38969221900 in words is "thirty-eight billion, nine hundred sixty-nine million, two hundred twenty-one thousand, nine hundred".
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