Base | Representation |
---|---|
bin | 100011110010110110… |
… | …111000111001001110 |
3 | 10200012112202100011012 |
4 | 203302312320321032 |
5 | 1112203124312304 |
6 | 25353442325222 |
7 | 2530302265310 |
oct | 436266707116 |
9 | 120175670135 |
10 | 38434213454 |
11 | 1533312547a |
12 | 7547659812 |
13 | 3816868550 |
14 | 1c086617b0 |
15 | eee2e516e |
hex | 8f2db8e4e |
38434213454 has 48 divisors (see below), whose sum is σ = 71524037088. Its totient is φ = 15083869248.
The previous prime is 38434213439. The next prime is 38434213471. The reversal of 38434213454 is 45431243483.
It is a super-2 number, since 2×384342134542 (a number of 22 digits) contains 22 as substring.
It is a Curzon number.
It is a congruent number.
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, 2928932 + ... + 2942024.
It is an arithmetic number, because the mean of its divisors is an integer number (1490084106).
Almost surely, 238434213454 is an apocalyptic number.
38434213454 is a deficient number, since it is larger than the sum of its proper divisors (33089823634).
38434213454 is a wasteful number, since it uses less digits than its factorization.
38434213454 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13369 (or 13242 counting only the distinct ones).
The product of its digits is 552960, while the sum is 41.
The spelling of 38434213454 in words is "thirty-eight billion, four hundred thirty-four million, two hundred thirteen thousand, four hundred fifty-four".
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