Base | Representation |
---|---|
bin | 100011011001000101… |
… | …011010110110011010 |
3 | 10122002102010012220100 |
4 | 203121011122312122 |
5 | 1110311431034223 |
6 | 25242514440230 |
7 | 2513502045243 |
oct | 433105326632 |
9 | 118072105810 |
10 | 38001814938 |
11 | 1513104102a |
12 | 7446893076 |
13 | 37780c2339 |
14 | 1ba7065cca |
15 | ec6382043 |
hex | 8d915ad9a |
38001814938 has 48 divisors (see below), whose sum is σ = 86801734656. Its totient is φ = 11997819360.
The previous prime is 38001814901. The next prime is 38001814951. The reversal of 38001814938 is 83941810083.
38001814938 is a `hidden beast` number, since 3 + 80 + 0 + 1 + 81 + 493 + 8 = 666.
38001814938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a junction number, because it is equal to n+sod(n) for n = 38001814893 and 38001814902.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 698281 + ... + 750732.
It is an arithmetic number, because the mean of its divisors is an integer number (1808369472).
Almost surely, 238001814938 is an apocalyptic number.
38001814938 is an abundant number, since it is smaller than the sum of its proper divisors (48799919718).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38001814938 is a wasteful number, since it uses less digits than its factorization.
38001814938 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1449099 (or 1449096 counting only the distinct ones).
The product of its (nonzero) digits is 165888, while the sum is 45.
The spelling of 38001814938 in words is "thirty-eight billion, one million, eight hundred fourteen thousand, nine hundred thirty-eight".
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