Base | Representation |
---|---|
bin | 100100000110111001… |
… | …100111110000000000 |
3 | 10201001222111010212220 |
4 | 210012321213300000 |
5 | 1113400220131414 |
6 | 25451053451040 |
7 | 2541524406564 |
oct | 440671476000 |
9 | 121058433786 |
10 | 38770473984 |
11 | 15495a15a40 |
12 | 76201a0a80 |
13 | 386b420a88 |
14 | 1c3b1936a4 |
15 | 101dab7ca9 |
hex | 906e67c00 |
38770473984 has 176 divisors, whose sum is σ = 116622011520. Its totient is φ = 11343216640.
The previous prime is 38770473983. The next prime is 38770474037. The reversal of 38770473984 is 48937407783.
It is a tau number, because it is divible by the number of its divisors (176).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38770473983) 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, 960187 + ... + 999749.
Almost surely, 238770473984 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 38770473984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58311005760).
38770473984 is an abundant number, since it is smaller than the sum of its proper divisors (77851537536).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38770473984 is a wasteful number, since it uses less digits than its factorization.
38770473984 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39626 (or 39608 counting only the distinct ones).
The product of its (nonzero) digits is 28449792, while the sum is 60.
The spelling of 38770473984 in words is "thirty-eight billion, seven hundred seventy million, four hundred seventy-three thousand, nine hundred eighty-four".
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