Base | Representation |
---|---|
bin | 100011110110011110… |
… | …101010011110011001 |
3 | 10200100210002011221100 |
4 | 203312132222132121 |
5 | 1112314203044201 |
6 | 25403452502013 |
7 | 2531640601326 |
oct | 436636523631 |
9 | 120323064840 |
10 | 38494971801 |
11 | 15364454090 |
12 | 7563a7a909 |
13 | 382631c730 |
14 | 1c12759b4d |
15 | 10047e7886 |
hex | 8f67aa799 |
38494971801 has 48 divisors (see below), whose sum is σ = 65440851840. Its totient is φ = 21497391360.
The previous prime is 38494971799. The next prime is 38494971817. The reversal of 38494971801 is 10817949483.
38494971801 is a `hidden beast` number, since 3 + 8 + 494 + 9 + 71 + 80 + 1 = 666.
It is not a de Polignac number, because 38494971801 - 21 = 38494971799 is a prime.
It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.
It is not an unprimeable number, because it can be changed into a prime (38494971841) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 706020 + ... + 758586.
It is an arithmetic number, because the mean of its divisors is an integer number (1363351080).
Almost surely, 238494971801 is an apocalyptic number.
It is an amenable number.
38494971801 is a deficient number, since it is larger than the sum of its proper divisors (26945880039).
38494971801 is a wasteful number, since it uses less digits than its factorization.
38494971801 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 53166 (or 53163 counting only the distinct ones).
The product of its (nonzero) digits is 1741824, while the sum is 54.
The spelling of 38494971801 in words is "thirty-eight billion, four hundred ninety-four million, nine hundred seventy-one thousand, eight hundred one".
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