Base | Representation |
---|---|
bin | 100011110101011011… |
… | …100011111000011100 |
3 | 10200022112222111002200 |
4 | 203311123203320130 |
5 | 1112300202144043 |
6 | 25402023451500 |
7 | 2531335225533 |
oct | 436533437034 |
9 | 120275874080 |
10 | 38477381148 |
11 | 15355529a58 |
12 | 7559bb6b90 |
13 | 38227a0b6b |
14 | 1c1029b31a |
15 | 1002ec07d3 |
hex | 8f56e3e1c |
38477381148 has 72 divisors (see below), whose sum is σ = 99495369792. Its totient is φ = 12532219392.
The previous prime is 38477381143. The next prime is 38477381167. The reversal of 38477381148 is 84118377483.
It is a junction number, because it is equal to n+sod(n) for n = 38477381094 and 38477381103.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38477381143) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1025536 + ... + 1062392.
It is an arithmetic number, because the mean of its divisors is an integer number (1381880136).
Almost surely, 238477381148 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 38477381148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49747684896).
38477381148 is an abundant number, since it is smaller than the sum of its proper divisors (61017988644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38477381148 is a wasteful number, since it uses less digits than its factorization.
38477381148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 37531 (or 37526 counting only the distinct ones).
The product of its digits is 3612672, while the sum is 54.
The spelling of 38477381148 in words is "thirty-eight billion, four hundred seventy-seven million, three hundred eighty-one thousand, one hundred forty-eight".
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