Base | Representation |
---|---|
bin | 1110101110000001… |
… | …0110111001010100 |
3 | 101012100202002212120 |
4 | 3223200112321110 |
5 | 31042442100043 |
6 | 1452022215540 |
7 | 166625015022 |
oct | 35340267124 |
9 | 11170662776 |
10 | 3951128148 |
11 | 1748344070 |
12 | 9232845b0 |
13 | 4ac76c966 |
14 | 296a71712 |
15 | 181d1e983 |
hex | eb816e54 |
3951128148 has 48 divisors (see below), whose sum is σ = 10061897664. Its totient is φ = 1196778240.
The previous prime is 3951128141. The next prime is 3951128149. The reversal of 3951128148 is 8418211593.
3951128148 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a super-3 number, since 3×39511281483 (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3951128141) 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, 371886 + ... + 382362.
It is an arithmetic number, because the mean of its divisors is an integer number (209622868).
Almost surely, 23951128148 is an apocalyptic number.
It is an amenable number.
3951128148 is an abundant number, since it is smaller than the sum of its proper divisors (6110769516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
3951128148 is a wasteful number, since it uses less digits than its factorization.
3951128148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13352 (or 13350 counting only the distinct ones).
The product of its digits is 69120, while the sum is 42.
The square root of 3951128148 is about 62857.9998727290. Note that the first 3 decimals coincide. The cubic root of 3951128148 is about 1580.9096065597.
The spelling of 3951128148 in words is "three billion, nine hundred fifty-one million, one hundred twenty-eight thousand, one hundred forty-eight".
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