Base | Representation |
---|---|
bin | 100011011011100100… |
… | …101101101000000000 |
3 | 10122012022200201211110 |
4 | 203123210231220000 |
5 | 1110403123311421 |
6 | 25251005443320 |
7 | 2514520014141 |
oct | 433344555000 |
9 | 118168621743 |
10 | 38043572736 |
11 | 15152672304 |
12 | 7458870540 |
13 | 3783952cb0 |
14 | 1bac815ac8 |
15 | ec9d7ea76 |
hex | 8db92da00 |
38043572736 has 160 divisors (see below), whose sum is σ = 110646043200. Its totient is φ = 11544920064.
The previous prime is 38043572731. The next prime is 38043572771. The reversal of 38043572736 is 63727534083.
It is a Harshad number since it is a multiple of its sum of digits (48).
It is not an unprimeable number, because it can be changed into a prime (38043572731) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1444615 + ... + 1470713.
It is an arithmetic number, because the mean of its divisors is an integer number (691537770).
Almost surely, 238043572736 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 38043572736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55323021600).
38043572736 is an abundant number, since it is smaller than the sum of its proper divisors (72602470464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38043572736 is a wasteful number, since it uses less digits than its factorization.
38043572736 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26206 (or 26190 counting only the distinct ones).
The product of its (nonzero) digits is 2540160, while the sum is 48.
The spelling of 38043572736 in words is "thirty-eight billion, forty-three million, five hundred seventy-two thousand, seven hundred thirty-six".
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