Base | Representation |
---|---|
bin | 100100001110111100… |
… | …001100010110000111 |
3 | 10201102101022100210121 |
4 | 210032330030112013 |
5 | 1114134233202040 |
6 | 25512313002411 |
7 | 2545053103504 |
oct | 441674142607 |
9 | 121371270717 |
10 | 38905365895 |
11 | 15555079260 |
12 | 76593b3407 |
13 | 3890360086 |
14 | 1c510684ab |
15 | 102a860c4a |
hex | 90ef0c587 |
38905365895 has 16 divisors (see below), whose sum is σ = 53926583328. Its totient is φ = 26630410240.
The previous prime is 38905365869. The next prime is 38905365907. The reversal of 38905365895 is 59856350983.
It is not a de Polignac number, because 38905365895 - 29 = 38905365383 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20804074 + ... + 20805943.
It is an arithmetic number, because the mean of its divisors is an integer number (3370411458).
Almost surely, 238905365895 is an apocalyptic number.
38905365895 is a deficient number, since it is larger than the sum of its proper divisors (15021217433).
38905365895 is a wasteful number, since it uses less digits than its factorization.
38905365895 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41610050.
The product of its (nonzero) digits is 34992000, while the sum is 61.
The spelling of 38905365895 in words is "thirty-eight billion, nine hundred five million, three hundred sixty-five thousand, eight hundred ninety-five".
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