Base | Representation |
---|---|
bin | 100100001011111100… |
… | …001101011000111000 |
3 | 10201021212121110121202 |
4 | 210023330031120320 |
5 | 1114033342213040 |
6 | 25503314153332 |
7 | 2543602243454 |
oct | 441374153070 |
9 | 121255543552 |
10 | 38855038520 |
11 | 15529724591 |
12 | 7644582848 |
13 | 3882abb96c |
14 | 1c484c7664 |
15 | 102621e015 |
hex | 90bf0d638 |
38855038520 has 16 divisors (see below), whose sum is σ = 87423836760. Its totient is φ = 15542015392.
The previous prime is 38855038471. The next prime is 38855038531. The reversal of 38855038520 is 2583055883.
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 3 ways as a sum of consecutive naturals, for example, 485687942 + ... + 485688021.
Almost surely, 238855038520 is an apocalyptic number.
It is an amenable number.
38855038520 is an abundant number, since it is smaller than the sum of its proper divisors (48568798240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38855038520 is a wasteful number, since it uses less digits than its factorization.
38855038520 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 971375974 (or 971375970 counting only the distinct ones).
The product of its (nonzero) digits is 1152000, while the sum is 47.
It can be divided in two parts, 3885 and 5038520, that added together give a palindrome (5042405).
The spelling of 38855038520 in words is "thirty-eight billion, eight hundred fifty-five million, thirty-eight thousand, five hundred twenty".
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