Base | Representation |
---|---|
bin | 100100101001011110… |
… | …001000101001001000 |
3 | 10202120101212001112202 |
4 | 210221132020221020 |
5 | 1121042210034430 |
6 | 30024413055332 |
7 | 2562066325643 |
oct | 445136105110 |
9 | 122511761482 |
10 | 39350471240 |
11 | 15763351513 |
12 | 7762487548 |
13 | 3931634c12 |
14 | 1c94210a5a |
15 | 1054983d45 |
hex | 929788a48 |
39350471240 has 64 divisors (see below), whose sum is σ = 91487784960. Its totient is φ = 15216917760.
The previous prime is 39350471233. The next prime is 39350471291. The reversal of 39350471240 is 4217405393.
It is a junction number, because it is equal to n+sod(n) for n = 39350471194 and 39350471203.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1240457 + ... + 1271783.
It is an arithmetic number, because the mean of its divisors is an integer number (1429496640).
Almost surely, 239350471240 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 39350471240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45743892480).
39350471240 is an abundant number, since it is smaller than the sum of its proper divisors (52137313720).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
39350471240 is a wasteful number, since it uses less digits than its factorization.
39350471240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32382 (or 32378 counting only the distinct ones).
The product of its (nonzero) digits is 90720, while the sum is 38.
The spelling of 39350471240 in words is "thirty-nine billion, three hundred fifty million, four hundred seventy-one thousand, two hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •