Base | Representation |
---|---|
bin | 100100001101010101… |
… | …000100110110010101 |
3 | 10201100111110000111112 |
4 | 210031111010312111 |
5 | 1114110323144412 |
6 | 25505505344405 |
7 | 2544304250402 |
oct | 441525046625 |
9 | 121314400445 |
10 | 38878334357 |
11 | 15540896045 |
12 | 7650338105 |
13 | 3887887295 |
14 | 1c4b62d2a9 |
15 | 10282c1722 |
hex | 90d544d95 |
38878334357 has 8 divisors (see below), whose sum is σ = 38947494912. Its totient is φ = 38809234800.
The previous prime is 38878334353. The next prime is 38878334377. The reversal of 38878334357 is 75343387883.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 38878334357 - 22 = 38878334353 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 38878334296 and 38878334305.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (38878334353) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1370168 + ... + 1398254.
It is an arithmetic number, because the mean of its divisors is an integer number (4868436864).
Almost surely, 238878334357 is an apocalyptic number.
It is an amenable number.
38878334357 is a deficient number, since it is larger than the sum of its proper divisors (69160555).
38878334357 is a wasteful number, since it uses less digits than its factorization.
38878334357 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 30499.
The product of its digits is 40642560, while the sum is 59.
The spelling of 38878334357 in words is "thirty-eight billion, eight hundred seventy-eight million, three hundred thirty-four thousand, three hundred fifty-seven".
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