Base | Representation |
---|---|
bin | 100100000001101110… |
… | …101001101100011000 |
3 | 10200211221020012012110 |
4 | 210001232221230120 |
5 | 1113211012243110 |
6 | 25434314112320 |
7 | 2536422062163 |
oct | 440156515430 |
9 | 120757205173 |
10 | 38683712280 |
11 | 15450a46654 |
12 | 75b711b6a0 |
13 | 3856463aa5 |
14 | 1c2d84aada |
15 | 101617aa20 |
hex | 901ba9b18 |
38683712280 has 64 divisors (see below), whose sum is σ = 117783267840. Its totient is φ = 10161689472.
The previous prime is 38683712273. The next prime is 38683712293. The reversal of 38683712280 is 8221738683.
It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
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, 2397664 + ... + 2413743.
It is an arithmetic number, because the mean of its divisors is an integer number (1840363560).
Almost surely, 238683712280 is an apocalyptic number.
38683712280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
38683712280 is an abundant number, since it is smaller than the sum of its proper divisors (79099555560).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
38683712280 is a wasteful number, since it uses less digits than its factorization.
38683712280 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4811488 (or 4811484 counting only the distinct ones).
The product of its (nonzero) digits is 774144, while the sum is 48.
The spelling of 38683712280 in words is "thirty-eight billion, six hundred eighty-three million, seven hundred twelve thousand, two hundred eighty".
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