Base | Representation |
---|---|
bin | 100100000101100000… |
… | …000101111001000000 |
3 | 10201000100022202210000 |
4 | 210011200011321000 |
5 | 1113323213120410 |
6 | 25444454440000 |
7 | 2541121050432 |
oct | 440540057100 |
9 | 121010282700 |
10 | 38747004480 |
11 | 15483745a58 |
12 | 7614363000 |
13 | 38665c43b2 |
14 | 1c38004652 |
15 | 101b9cddc0 |
hex | 905805e40 |
38747004480 has 140 divisors (see below), whose sum is σ = 137830003740. Its totient is φ = 10332527616.
The previous prime is 38747004473. The next prime is 38747004481. The reversal of 38747004480 is 8440074783.
38747004480 is a `hidden beast` number, since 38 + 74 + 70 + 0 + 4 + 480 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 20985578496 + 17761425984 = 144864^2 + 133272^2 .
It is a Harshad number since it is a multiple of its sum of digits (45).
It is not an unprimeable number, because it can be changed into a prime (38747004481) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 721515 + ... + 773354.
Almost surely, 238747004480 is an apocalyptic number.
38747004480 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
38747004480 is an abundant number, since it is smaller than the sum of its proper divisors (99082999260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38747004480 is a wasteful number, since it uses less digits than its factorization.
38747004480 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1494898 (or 1494879 counting only the distinct ones).
The product of its (nonzero) digits is 602112, while the sum is 45.
The spelling of 38747004480 in words is "thirty-eight billion, seven hundred forty-seven million, four thousand, four hundred eighty".
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