Base | Representation |
---|---|
bin | 100011100111001000… |
… | …011100101011110000 |
3 | 10122200211120202011210 |
4 | 203213020130223300 |
5 | 1111302244134104 |
6 | 25322134040120 |
7 | 2522363205255 |
oct | 434710345360 |
9 | 118624522153 |
10 | 38237489904 |
11 | 15242080129 |
12 | 74b17a9040 |
13 | 37b4b8a693 |
14 | 1bca49342c |
15 | edbdd6989 |
hex | 8e721caf0 |
38237489904 has 80 divisors (see below), whose sum is σ = 104659685280. Its totient is φ = 11988172800.
The previous prime is 38237489833. The next prime is 38237489923. The reversal of 38237489904 is 40998473283.
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 15 ways as a sum of consecutive naturals, for example, 1291782 + ... + 1321050.
It is an arithmetic number, because the mean of its divisors is an integer number (1308246066).
Almost surely, 238237489904 is an apocalyptic number.
38237489904 is a gapful number since it is divisible by the number (34) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 38237489904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52329842640).
38237489904 is an abundant number, since it is smaller than the sum of its proper divisors (66422195376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38237489904 is a wasteful number, since it uses less digits than its factorization.
38237489904 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 30898 (or 30892 counting only the distinct ones).
The product of its (nonzero) digits is 10450944, while the sum is 57.
The spelling of 38237489904 in words is "thirty-eight billion, two hundred thirty-seven million, four hundred eighty-nine thousand, nine hundred four".
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