Base | Representation |
---|---|
bin | 100100000101101111… |
… | …010010010100111111 |
3 | 10201000121211010120100 |
4 | 210011233102110333 |
5 | 1113330223100313 |
6 | 25445120052143 |
7 | 2541166650120 |
oct | 440557222477 |
9 | 121017733510 |
10 | 38750987583 |
11 | 15485a16580 |
12 | 7615764053 |
13 | 386738a369 |
14 | 1c38760047 |
15 | 101c019173 |
hex | 905bd253f |
38750987583 has 48 divisors (see below), whose sum is σ = 70826985216. Its totient is φ = 19829905920.
The previous prime is 38750987563. The next prime is 38750987591. The reversal of 38750987583 is 38578905783.
It is not a de Polignac number, because 38750987583 - 213 = 38750979391 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is a self number, because there is not a number n which added to its sum of digits gives 38750987583.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38750987533) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 370866 + ... + 463727.
It is an arithmetic number, because the mean of its divisors is an integer number (1475562192).
Almost surely, 238750987583 is an apocalyptic number.
38750987583 is a gapful number since it is divisible by the number (33) formed by its first and last digit.
38750987583 is a deficient number, since it is larger than the sum of its proper divisors (32075997633).
38750987583 is a wasteful number, since it uses less digits than its factorization.
38750987583 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 834684 (or 834681 counting only the distinct ones).
The product of its (nonzero) digits is 50803200, while the sum is 63.
The spelling of 38750987583 in words is "thirty-eight billion, seven hundred fifty million, nine hundred eighty-seven thousand, five hundred eighty-three".
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