Base | Representation |
---|---|
bin | 100100000010001010… |
… | …101001011110000100 |
3 | 10200212110001001120120 |
4 | 210002022221132010 |
5 | 1113214402121041 |
6 | 25435135301540 |
7 | 2536541340054 |
oct | 440212513604 |
9 | 120773031516 |
10 | 38691051396 |
11 | 154550a9638 |
12 | 75b967a8b0 |
13 | 3857b3346a |
14 | 1c307db564 |
15 | 1016b2a366 |
hex | 9022a9784 |
38691051396 has 24 divisors (see below), whose sum is σ = 90989982720. Its totient is φ = 12795465312.
The previous prime is 38691051379. The next prime is 38691051397. The reversal of 38691051396 is 69315019683.
It is not an unprimeable number, because it can be changed into a prime (38691051397) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12692391 + ... + 12695438.
It is an arithmetic number, because the mean of its divisors is an integer number (3791249280).
Almost surely, 238691051396 is an apocalyptic number.
It is an amenable number.
38691051396 is an abundant number, since it is smaller than the sum of its proper divisors (52298931324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38691051396 is a wasteful number, since it uses less digits than its factorization.
38691051396 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25387963 (or 25387961 counting only the distinct ones).
The product of its (nonzero) digits is 1049760, while the sum is 51.
The spelling of 38691051396 in words is "thirty-eight billion, six hundred ninety-one million, fifty-one thousand, three hundred ninety-six".
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